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Health-related quality of life using the SF-36 in patients with bipolar disorder compared with patients with chronic back pain and the general population.

BACKGROUND: The purpose of this study was to assess and compare the health-related quality of life of patients with bipolar disorder and chronic back pain and, in turn, to compare these results with those previously generated for the general population. METHODS: Subjects were patients with bipolar disorder (n=44), a comparison group of chronic back pain patients (n=30), and a population-based control sample (n=2,474). Health-related quality of life was assessed using the Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36), a self-administered questionnaire in which lower scores are indicative of greater impairment. RESULTS: Patients with bipolar disorder had lower mean scores than the general population on all scales except Physical Functioning. Bipolar patients had significantly higher scores than chronic back pain patients in the categories of Physical Functioning, Role Limitations--Physical, Bodily Pain, and Social Function. There were no significant differences between bipolar disorder and chronic back pain groups in the Mental Health and Role Limitations - Emotional categories. LIMITATIONS: The results of the study are limited by the relatively small sample sizes of the bipolar and back pain patient groups. CONCLUSIONS: Patients with bipolar disorder had substantial impairment in health-related quality of life in comparison with the general population. Bipolar patients were less compromised in areas of physical and social functioning than chronic back pain patients but had similar impairment in mental health.

Adult↗

Functioning and utility for current health of patients with depression or chronic medical conditions in managed, primary care practices.

BACKGROUND: Health utility is the recommended outcome metric for medical cost-effectiveness studies. We compared health utility and quality of life for primary care patients with depression or chronic medical conditions. METHODS: Respondents were outpatients (N = 17 558) of primary care clinicians (N = 181) in 7 managed care organizations. Utility was assessed by time tradeoff, or the years of life that patients would exchange for perfect health, and standard gamble, or the required chance of success to accept a treatment that can cause immediate death or survival in perfect health. Probable 12-month depressive disorder and affective syndromes were assessed through self-report items from a diagnostic interview. Medical conditions were assessed with self-report. Quality of life was assessed by the 12-Item Short-Form Health Survey. Regression models were used to compare quality of life and utility for patients with depression vs chronic medical conditions. RESULTS: Patients with probable 12-month depressive disorder had worse mental health and role-emotional and social functioning and lower utility for their current health than patients with each chronic medical condition (for most comparisons, P<.001). Depressed patients had worse physical functioning than patients with 4 common chronic conditions but better physical functioning than patients with 4 other conditions (each P<.001). Patients with lifetime bipolar illness and 12-month double depression had the poorest quality of life and lowest utility. CONCLUSIONS: Primary care patients with depressive conditions have poorer mental, role-emotional, and social functioning than patients with common chronic medical conditions, and physical functioning in the midrange. The low utility of depressed patients relative to patients with chronic medical conditions suggests that recovery from depression should be a high practice priority.

Adolescent↗

Correlation between Karnofsky Performance Status Scale and Short-Form Health Survey in patients on maintenance hemodialysis.

BACKGROUND: Assessment of quality of life is vital inmonitoring response to various treatment measures. Various instruments, which include both generic and disease-specific instruments, are used in the assessment of health-related quality of life (HRQOL). In this study, we compare two commonly used generic instruments. OBJECTIVES: The objective of this study was to compare two generic instruments, the Karnofsky Performance Status Scale and the SF-36 Health Survey in hemodialysis (HD) patients. The study also aims to find out the association (if any) between HRQOL scores using these two scales and various clinical and biochemical parameters. MATERIALS AND METHODS: Sixty-two maintenance HD patients were recruited after informed consents were obtained. Detailed sociodemographic data was obtained. They were assessed during their regular HD sessions. Serum chemistry (which included serum urea, creatinine, Na+, K+, HCO3-, Ca2+, Po4(2-)), albumin, globulin, total protein and hemoglobin (g/dl) were assessed in all the patients. Adequacy of HD was assessed using second-generation Daugirdais formula. HRQOL was assessed using the Karnofsky and SSF-36 instruments and the scores collated and compared. Data was analyzed using SPSS version 10. RESULTS: Fifty-five patients completed the study (27 males and 28 females, mean age 40.76 +/- 11.05 years and age range of 20-65 years). There was a significant positive correlation between Karnofsky scores and all eight SF-36 domains, but only physical functioning, social functioning and role limitation due to emotional problems maintained the significance on multiple regression analysis. The serum creatinine and hemoglobin postively correlated with physical function, bodily pain, social functioning and Karnofsky scores. Age of the patients correlated negatively with two SF-36 dimensions (physical functioning and role limitation due to physical fitness) and Karnofsky scores. CONCLUSION: This study revealed a good correlation between Karnofsky performance status scale and the short-form (SF36) health survey in this Egyptian population. Age, serum creatinine and hemoglobin significantly influence quality of life in this HD patient population.

Adult↗

Influence of exercise-focused group activities on the physical activity, functional capacity, and work ability of female farmers--a three-year follow-Up.

The objective of this randomised study was to evaluate the influence of exercise-focused group activities on female farmers' physical activity, functional capacity, and work ability over a period of 3 years. Physical activity increased more in the intervention group (n = 62) than in the control group (n = 64) during the first year. By the third year physical activity had almost returned to the pre-intervention level. In the 3-year follow-up examination muscular endurance and cardio-respiratory fitness had improved in the intervention group, and musculoskeletal symptoms had decreased more often in the intervention group than in the control group. The index used to measure perceived work ability showed no changes over the 3-year period. It can be concluded that group activities focused on leisure-time physical activity and work habits can be recommended as health promotion measures for farmers' occupational health services.

Adult↗

SF-36 health status of workers compensation cases with spinal disorders.

BACKGROUND CONTEXT: Poorer outcomes of treatment are reported in patients with spinal disorders who receive workers compensation. The reason for their suboptimal outcomes is unclear. No study has examined the relationship between workers compensation and the Short Form Health Survey (SF-36) health status of patients with spinal disorders. PURPOSE: To compare the self-perceived health status of spinal disorder patients receiving workers compensation with those not receiving workers compensation. STUDY DESIGN/SETTING: A cross-sectional study on 18,389 patients who were evaluated in the 28 centers comprising the National Spine Network. PATIENT SAMPLE: The study data were derived from patients when first evaluated for back or neck pain between January 1998 and April 2000. OUTCOME MEASURES: The outcome measures used were the eight individual and two component scores of the SF-36. METHODS: All first-visit patients enrolled in the National Spine Network from January 1998 to April 2000 were reviewed. Eight individual scores and two component scores of the SF-36 were compared. RESULTS: Of the 18,389 patients, 1,535 (8%) were receiving workers compensation. Bivariate analyses showed all eight individual scores, and two summary scores of the SF-36 were significantly lower (p<.0001) in patients receiving workers compensation. After controlling for confounding covariates, workers compensation status was a significant predictor of lower SF-36 scores for General Health (p<.0001), Physical Functioning (p<.0001), Role Physical (p<.01), Social Functioning (p<.05), and Mental Health (p<.05). CONCLUSIONS: Workers compensation status is associated with poorer physical and mental health of patients with spinal disorders. Because the workers compensation group is younger, has a shorter duration of symptoms, and fewer comorbid medical problems, the lower SF-36 scores most likely reflect psychological factors and not ill health per se. The lower SF-36 scores may also reflect premorbid personality differences in the workers compensation patients, compared with those not receiving workers compensation. SF-36 is a validated tool that can be used to objectively identify the patient at risk for delayed recovery. Future treatment protocols should pay special attention to improve the health-related quality of life, especially general health and physical functioning of spinal patients receiving workers compensation.

Adult↗

Physical and functional interaction between the Y-box binding protein YB-1 and human polyomavirus JC virus large T antigen.

Y-box binding protein YB-1 is a member of a family of DNA and RNA binding proteins which have been shown to affect gene expression at both the transcriptional and translational levels. We have previously shown that YB-1 modulates transcription from the promoters of the ubiquitous human polyomavirus JC virus (JCV). Here we investigate the physical and functional interplay between YB-1 and the viral regulatory protein large T antigen (T-antigen), using JCV as a model system. Results of mobility band shift assays demonstrated that the efficiency of binding of YB-1 to a 23-bp single-stranded viral target sequence was significantly increased when T-antigen was included in the binding reaction mixture. Affinity chromatography and coimmunoprecipitation assays demonstrated that YB-1 and T-antigen physically interact with each other. Additionally, results of transcription studies demonstrated that these two proteins interact functionally on the JCV early and late gene promoters. Whereas ectopic expression of YB-1 and T-antigen results in synergistic transactivation of the viral late promoter, YB-1 alleviates T-antigen-mediated transcriptional suppression of the viral early promoter activity. Furthermore, we have localized, through the use of a series of deletion mutants, the sequences of these proteins which are important for their interaction. The T-antigen-interacting region of YB-1 is located in the cold shock domain of YB-1 and its immediate flanking sequences, and the YB-1-interacting domain of T-antigen maps to the carboxy-terminal half of T-antigen. Results of transient transfection assays with various YB-1 mutants and T-antigen expression constructs confirm the specificity of the functional interaction between YB-1 and T-antigen. Taken together, these data demonstrate that the cellular factor YB-1 and the viral regulatory protein T-antigen interact both physically and functionally and that this interaction modulates transcription from the JCV promoters.

Animals↗

Health-related quality of life after knee replacement.

A cross-sectional, community-based survey of a random sample of 1750 of 242,311 Medicare recipients was performed. The patients were at least sixty-five years old and had had a primary or revision knee replacement (either unilaterally or bilaterally) between 1985 and 1989. Three samples were surveyed separately: a national sample (to reflect the United States as a whole) and samples from Indiana and the western part of Pennsylvania (sites chosen for convenience to assess the validity of the findings for the national sample on a regional level). Each sample was stratified by race, age, residence (urban or rural), and the year of the procedure. Valid and reliable questionnaires were used to elicit the participants' assessments of pain, physical function, and satisfaction two to seven years after the knee replacement. Of the 1486 patients who were eligible for inclusion in the survey, 1193 (80.3 per cent) responded. The mean age of the respondents was 72.6 years. Eight hundred and forty-nine respondents (71.2 per cent) were white, and 849 (71.2 per cent) were women. The participants reported that they had little or no pain in the knee at the time of the survey, regardless of the age at the time of the knee replacement, the body-mass index, or the length of time since the knee replacement. After adjustment for potential confounding variables, predictors of better physical function after the replacement were an absence of problems with the contralateral knee, primary knee replacement (rather than revision) (Indiana sample only), and a lower body-mass index (Indiana and western Pennsylvania samples). Four hundred and fifteen (85.2 per cent) of the 487 patients in the national sample were satisfied with the result of the knee replacement. In what we believe to be the first community-based study of the outcome of knee replacement, patients reported having significant (p = 0.0001) and persistent relief of pain, improved physical function, and satisfaction with the result two to seven years postoperatively. The findings of the present study suggest that age and obesity do not have a negative impact on patient-relevant outcomes (pain and physical function). Dissemination of these findings has the potential to increase appropriate referrals for knee replacement and thereby reduce the pain and functional disability due to osteoarthrosis of the knee.

Aged↗

Physical activity, functional limitations, and disability in older adults.

OBJECTIVES: To explore initially how low levels of physical activity influence lower body functional limitations in participants of the Longitudinal Study of Aging. Changes in functional limitations are used subsequently to predict transitions in the activities of daily living/instrumental activities of daily living (ADL/IADL) disability, thus investigating a potential pathway for how physical activity may delay the onset of ADL/IADL disability and, thus, prolong independent living. DESIGN: Analysis of a complex sample survey of US civilian, noninstitutionalized population aged 70 years and older in 1984, with repeated interviews in 1986, 1988, and 1990. SETTING AND PARTICIPANTS: Analyses concentrated on 5151 men and women targeted for interview at all four LSOA interviews. MEASUREMENTS: Characteristics used in analyses: gender, age, level of physical activity, comorbid conditions including the presence of hypertension, diabetes, arthritis, and atherosclerotic heart disease, levels of functional limitations, and ADL/IADL disability. RESULTS: Transitional models provide evidence that older adults who have varying levels of disability and who report at least a minimal level of physical activity experience a slower progression in functional limitations (OR = .45, P < .001 for severe vs less severe limitations). This low level of physical activity, through its influence on changes in functional limitations, is shown to slow the progression of ADL/IADL disability. CONCLUSIONS: Results from analyses provide supporting evidence that functional limitations can mediate the effect that physical activity has on ADL/IADL disability. These results contribute further to the increasing data that seem to suggest that physical activity can reduce the progression of disability in older adults.

Activities of Daily Living↗

Toileting device for patients with decreased hand function.

Physical medicine and rehabilitation is involved with aiding patients in the performance of activities of daily living. The ability to independently perform the acts involved in personal hygiene is important to a disabled person's self-esteem. This report describes a patient with weak distal upper limbs secondary to Guillain-Barré neuropathy, his difficulty with independent hygiene, and the device designed to aid independence in toileting. This device is easy and inexpensive to fabricate, and simple to use. It has applications beyond the Guillain-Barré population including patients with arthritis and burns and those with limited distal upper limb function.

Activities of Daily Living↗

Human cytomegalovirus IE2 86-kilodalton protein binds p53 but does not abrogate G1 checkpoint function.

Physical interactions between human cytomegalovirus (HCMV) immediate-early (IE) proteins and key cell cycle regulatory proteins have been suggested as a mechanism whereby this herpesvirus modifies cellular control of proliferation. Observed similarities to interactions of other DNA virus proteins (human papillomavirus type 16 E6 and E7, simian virus 40 large T antigen, and adenovirus type 5 E1A and E1B) with cell cycle modulatory proteins such as p53 and Rb have suggested that HCMV IE proteins may likewise alter the G1-to-S phase transition. The IE2 region gene product IE86 has been shown to specifically bind p53, potentially modifying p53 G1 checkpoint function. To examine this possibility, p53-mediated G1 arrest in the presence of IE86 was assessed. Retroviral constructs were created to facilitate the stable expression of IE86 and IE72, another IE protein implicated in HCMV-mediated alteration of cell cycle progression. Western analysis and immunoprecipitation confirmed IE protein expression and binding of IE86 to p53, respectively. Chloramphenicol acetyltransferase assays examining the ability of IE86 to repress activity from the HCMV major IE promoter or activate the HCMV early promoter for the 2.2-kb class of RNAs demonstrated the functional integrity of the IE86 protein. Induction of DNA damage in normal, uninfected fibroblasts (FB) or FB expressing IE86 by actinomycin D (Act D) resulted in increased p53 levels, a predominance of the hypophosphorylated form of Rb, and increased expression of both p21(CIP1/WAF1) and mdm-2. Fluorescence-activated cell sorting revealed that both uninfected and IE86-expressing FB experienced dramatic G1 arrest following exposure to Act D. The clear demonstration of these p53-dependent responses in the presence of IE86 indicates that binding to this viral protein does not compromise the ability of p53 to elicit growth arrest following DNA damage.

Antigens, Viral↗

Randomised controlled trial of the cost-effectiveness of water-based therapy for lower limb osteoarthritis.

OBJECTIVES: To determine the efficacy of community water-based therapy for the management of lower limb osteoarthritis (OA) in older patients. DESIGN: A pre-experimental matched-control study was used to estimate efficacy of water-based exercise treatment, to check design assumptions and delivery processes. The main study was a randomised controlled trial of the effectiveness of water-based exercise (treatment) compared with usual care (control) in older patients with hip and/or knee OA. The latter was accompanied by an economic evaluation comparing societal costs and consequences of the two treatments. SETTING: Water exercise was delivered in public swimming pools in the UK. Physical function assessments were carried out in established laboratory settings. PARTICIPANTS: 106 patients (93 women, 13 men) over the age of 60 years with confirmed hip and/or knee OA took part in the preliminary study. A similar, but larger, group of 312 patients (196 women, 116 men) took part in the main study, randomised into control (159) and water exercise (153) groups. INTERVENTIONS: Control group patients received usual care with quarterly semi-structured telephone interview follow-up only. The intervention in the main study lasted for 1 year, with a further follow-up period of 6 months. MAIN OUTCOME MEASURES: Pain score on the Western Ontario and McMaster Universities OA index (WOMAC). Additional outcome measures were included to evaluate effects on quality of life, cost-effectiveness and physical function measurements. RESULTS: Short-term efficacy of water exercise in the management of lower limb OA was confirmed, with effect sizes ranging from 0.44 [95% confidence interval (CI) 0.03 to 0.85] on WOMAC pain to 0.76 (95% CI 0.33 to 1.17) on WOMAC physical function. Of 153 patients randomised to treatment, 82 (53.5%) were estimated to have complied satisfactorily with their treatment at the 1-year point. This had declined to 28 (18%) by the end of the 6-month follow-up period, during which support for the intervention had been removed and those wishing to continue exercise had to pay their own costs for maintaining their exercise treatment. High levels of co-morbidity were recorded in both groups. Nearly two thirds of all patients had a significant other illness in addition to their OA. Fifty-four control and 53 exercise patients had hospital inpatient episodes during the study period. Water exercise remained effective in the main study but overall effect size was small, on WOMAC pain at 1 year, a reduction of about 10% in group mean pain score. This had declined, and was non-significant, at 18 months. Mean cost difference estimates showed a saving in the water exercise group of pound123--175 per patient per annum and incremental cost-effectiveness ratios ranged from pound3838 to pound5951 per quality-adjusted life-year (QALY). Net reduction in pain was achieved at a net saving of pound135--175 per patient per annum and the ceiling valuation of pound580--740 per unit of WOMAC pain reduction was favourably low. CONCLUSIONS: Group-based exercise in water over 1 year can produce significant reduction in pain and improvement in physical function in older adults with lower limb OA, and may be a useful adjunct in the management of hip and/or knee OA. The water-exercise programme produced a favourable cost--benefit outcome, using reduction in WOMAC pain as the measure of benefit. Further research is suggested into other similar public health interventions. Investigation is also needed into how general practice can best be supported to facilitate access to participants for research trials in healthcare, as well as an examination of the infrastructure and workforce capacities for physical activity delivery and the potential extent to which healthcare may be supported in this way. More detailed research is required to develop a better understanding of the types of exercise that will work for the different biomechanical subtypes of knee and hip OA and investigation is needed on access and environmental issues for physical activity programmes for older people, from both a provider and a participant perspective, the societal costs of the different approaches to the management of OA and longer term trends in outcome measures (costs and effects).

Aged↗

Self-assessment of general health status in patients with five common shoulder conditions.

The SF-36 Health Survey is a patient self-administered general health status evaluation designed to measure the impact of disease on an individual's perception of his or her health. Five hundred forty-four patients with five common shoulder conditions (anterior glenohumeral instability (149 patients), complete reparable rotator cuff tear (111 patients), adhesive capsulitis (100 patients), glenohumeral osteoarthritis (67 patients), and impingement (117 patients)) completed the SF-36 Health Survey before undergoing treatment. When compared with U.S. general population norms, the patients with each of these shoulder conditions had statistically significant decreases in their health for Physical Functioning, Role-Physical, Bodily Pain, Social Functioning, Role-Emotional, and the Physical Component Summary as measured by the SF-36 Health Survey. Comparison with published data demonstrated that these shoulder conditions rank in severity (in terms of affecting a patient's perception of his or her general health) with five major medical conditions (hypertension, congestive heart failure, acute myocardial infarction, diabetes mellitus, and clinical depression). The data presented in this study should serve as a baseline to document the impact of shoulder musculoskeletal conditions and possibly to allow comparison among various methods of operative and nonoperative treatment.

Adolescent↗

Highland mountain hiking and coronary artery disease: exercise tolerance and effects on left ventricular function.

Physical exercise has become a well-established concept in the secondary prevention of coronary artery disease. We investigated the exercise requirements of extensive highland mountain hiking (8.7 km, 470 m to 1220 m over sea level, average incline 8.5%, mean walking velocity < 3 km x h-1) in 11 regularly exercising male patients with history of MI and stable coronary artery disease (CAD; mean age +/- SD:61.0 +/- 3.9 yr) and 9 age-matched male healthy controls (CO; mean age +/- SD:61.2 +/- 5.0 yr). All subjects underwent continuous ECG monitoring; arterial blood pressure and blood lactate concentrations were measured several times during mountain hiking. Before and after exercise, cardiac dimensions and functions were assessed by two-dimensional echocardiography and Doppler echocardiography. The mean exercise levels for heart rate and blood lactate were compared with the corresponding data of a multistage upright cycle ergometry. Clinical manifestations of coronary insufficiency, left ventricular myocardial dysfunction, or cardiac arrhythmias > Lown IIIb were not observed in any case. No significant differences in left atrial and left ventricular dimensions and no changes in systolic left ventricular function compared with the preexercise values were found after the mountain hike tour. Doppler echocardiography demonstrated significant changes in diastolic left ventricular function in CAD, but not in CO. The peak exercise intensity during mountain hiking was equivalent to a workload of 100-125 W (1.25-1.5 W x kg-1 body weight) in a multistage upright cycle ergometry. Extensive highland mountain hiking may be a low risk alternative within the outpatient rehabilitation program for secondary prevention of CAD for MI patients with a cycle ergometric exercise tolerance > 1.5 W x kg-1 body weight.

Aged↗

Community rehabilitation for older adults with osteoarthritis of the lower limb: a controlled clinical trial.

OBJECTIVE: To examine the effectiveness of a 12-month community-based water exercise programme on measures of self-reported health and physical function in people aged over 60 years old with knee-hip osteoarthritis (OA). DESIGN: A quasi-experimental design consisting of an exercise group and an age-matched control group. SETTING: Public community swimming pool in Sheffield, UK. SUBJECTS: One hundred and six community-dwelling sedentary older people, with confirmed knee-hip osteoarthritis, enrolled in an experimental controlled trial for 12 months. Sixty-six subjects in the exercise group were offered a water-exercise programme. Forty age-matched, nonexercising, 'control' subjects received monthly education material and quarterly telephone calls. INTERVENTIONS: Participants in the exercise group were asked to attend two exercise sessions a week of 1 hour duration led by specially trained swimming instructors. MAIN MEASURES: Primary outcome measure was the disease-specific Western Ontario and McMaster University Osteoarthritis Index (WOMAC). Secondary outcomes included a battery of performance-based physical function tests. RESULTS: Adherence to exercise averaged 70% (+/- 14%) over the year: 77% of the exercising subjects and 89% control subjects completed both pre- and post-outcome measures. After one year, participants in the exercise group experienced a significant improvement in physical function (4.0 +/- 9.1 versus -0.4 +/- 7.3 units; 95% confidence interval (CI) 0.96-7.96, p < 0.05) and reduction in the perception of pain (1.3 +/- 3.7 versus 0.2 +/- 2.5 units; 95% CI -0.19-2.52, p < 0.05) compared with the control group, as measured by the WOMAC Osteoarthritis Index. In addition, the exercise group performed significantly better in the ascending and descending stairs tests (p < 0.05), had significantly greater improvements in knee range of movement (p < 0.01) and hip range of movements (p < 0.005). There were no significant differences in the two groups for quadriceps muscle strength and psychosocial well-being (Arthritis Impact Measurement Scales 2 questionnaire). CONCLUSIONS: Older people with knee/hip osteoarthritis gained modest improvements in measures of physical function, pain, general mobility and flexibility after participating in 12 months of community-based water exercise.

Aged↗

Health-related quality of life after osteoporotic fractures.

OBJECTIVE: To estimate the impact of osteoporosis fractures on health-related quality of life (HRQOL) in postmenopausal women. METHODS: To compare the impact on HRQOL of different osteoporotic fractures, 600 consecutive women 55-75 years old with a new fracture (inclusion fracture) were invited by mail. After exclusions by preset criteria (high-energy fractures, ongoing osteoporosis treatment, or unwillingness to participate), 303 women were included, 171 (56%) of whom had a forearm, 37 (12%) proximal humerus, 40 (13%) hip, and 55 (18%) vertebral fracture, respectively, and all were investigated and treated according to the current local consensus program for osteoporosis. In addition, HRQOL was evaluated by the SF-36 questionnaire and compared with local, age-matched reference material. Examinations were performed 82 days (median) after the fracture and 2 years later. RESULTS: HRQOL was significantly reduced at baseline regarding all SF-36 domains after vertebral fractures and most after hip fractures, but only regarding some domains after forearm and humerus fracture. After 2 years, improvements had occurred after all types of fractures, and after forearm or humerus fracture, HRQOL was completely normalized in all domains. However, 2 years after hip fracture, HRQOL was still below normal regarding physical function, role-physical and social function, while after vertebral fracture, scores were still significantly lower for all domains, physical as well as mental. Patients with one or more previous fractures before the inclusion fracture had lower HRQOL at baseline and after 2 years, compared with those with no previous fracture. Patients with osteoporosis (T-score <-2.5 in hip or spine) had lower HRQOL than those with normal BMD. CONCLUSION: Vertebral and hip fractures have a considerably greater and more prolonged impact on HRQOL than forearm and humerus fractures. The number of fractures was inversely correlated to HRQOL. These differences should be taken into account when making priorities in health care programs.

Age Factors↗

Reliability and validity of the Assessment of Daily Activity Performance (ADAP) in community-dwelling older women.

BACKGROUND AND AIMS: The Assessment of Daily Activity Performance (ADAP) test was developed, and modeled after the Continuous-scale Physical Functional Performance (CS-PFP) test, to provide a quantitative assessment of older adults' physical functional performance. The aim of this study was to determine the intra-examiner reliability and construct validity of the ADAP in a community-living older population, and to identify the importance of tester experience. METHODS: Forty-three community-dwelling, older women (mean age 75 yr +/-4.3) were randomized to the test-retest reliability study (n=19) or validation study (n=24). The intra-examiner reliability of an experienced (tester 1) and an inexperienced tester (tester 2) was assessed by comparing test and retest scores of 19 participants. Construct validity was assessed by comparing the ADAP scores of 24 participants with self-perceived function by the SF-36 Health Survey, muscle function tests, and the Timed Up and Go test (TUG). RESULTS: Tester 1 had good consistency and reliability scores (mean difference between test and retest scores (DIF), -1.05+/-1.99; 95% confidence interval (CI), -2.58 to 0.48; Cronbach's alpha (alpha) range, 0.83 to 0.98; intraclass correlation (ICC) range, 0.75 to 0.96; Limits of Agreement (LoA), -2.58 to 4.95). Tester 2 had lower reliability scores (DIF, -2.45+/-4.36; 95% CI, -5.56 to 0.67; alpha range, 0.53 to 0.94; ICC range, 0.36 to 0.90; LoA, -6.09 to 10.99), with a systematic difference between test and retest scores for the ADAP domain lower-body strength (-3.81; 95% CI, -6.09 to -1.54), ADAP correlated with SF-36 Physical Functioning scale (r=0.67), TUG test (r=-0.91) and with isometric knee extensor strength (r=0.80). CONCLUSIONS: The ADAP test is a reliable and valid instrument. Our results suggest that testers should practise using the test, to improve reliability, before applying it to clinical settings.

Activities of Daily Living↗

Treatment efficacy of intermittent claudication by invasive therapy, supervised physical exercise training compared to no treatment in unselected randomised patients II: one-year results of health-related quality of life.

OBJECTIVE: to compare the effectiveness of invasive therapy, supervised physical training and no treatment in terms of health-related quality of life (HRQL) in patients with intermittent claudication (IC). DESIGN: a prospective, randomised, controlled study. MATERIALS: a total of 253 unselected patients with stable IC were sequentially randomised into 3 balanced treatment groups. At 1 year follow-up data from a battery of generic and disease specific HRQL questionnaires, and global indices of quality of life and physical condition were available in 171 patients. RESULTS: compared with a non-diseased reference group, claudicants were substantially limited in daily physical functioning, but little affected regarding emotional, cognitive and social functioning, or well-being. Invasive therapy yielded significantly greater improvements in some aspects of physical functioning and walk-related symptoms than training. Training was not superior to invasive therapy on any HRQL dimension and superior to no treatment on only one dimension. Treatment effects, however, were generally small-to-moderate and levels of physical dysfunction in all groups remained higher than reference values. CONCLUSIONS: invasive therapy is more effective than supervised training in alleviating illness-specific symptoms and improving certain aspects of physical functioning - the primary HRQL domains impacted on by IC and the principal goals of its treatment. However, since treatment effect sizes were at most moderate and given that untreated claudicants reported at most small deterioration in HRQL, the level of evidence supporting invasive therapy is modest.

Activities of Daily Living↗

After rehabilitation: an 18-month follow-up of elderly inner-city women.

OBJECTIVE: Elderly inner-city women (n = 125) greater than the age of 60 and living alone and who were consecutively admitted to a large, urban, university-based rehabilitation hospital were followed to (a) examine the power of standardized clinical measures to predict who was living alone 18 months after discharge, (b) determine whether live-alone women at 18 months' follow-up were more independent in instrumental activities of daily living (IADL) than women who were not living alone, and (c) investigate whether women who return home to live alone and have low or declining physical function are at risk for subsequent relocation or death. METHOD: Data from four standardized assessments (physical function, cognition, comorbidity, and depression) and demographic information were gathered during in-patient rehabilitation. Self-report IADL data were collected via telephone interviews at 3, 6, and 18 months' follow-up. RESULTS: Statistical analysis of results showed that physical function, cognition, and comorbidity were significant and independent predictors of living alone at 18 months' follow-up. Women living alone at 18 months reported significantly greater IADL independence than women who were not living alone. Path analysis confirmed that the relationship between the clinical measures and living situation at 18 months was mediated by self-reported IADL functioning. CONCLUSION: Standard clinical data obtained at discharge are useful to identify who can return home to live alone after rehabilitation, but in-home assessment of IADL remains key to understanding the complex skills required to live alone.

Activities of Daily Living↗