PubMed · 6415147
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T F Williams. 1983. Comprehensive functional assessment: an overview.. https://doi.org/10.1111/j.1532-5415.1983.tb04148.x
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OBJECTIVE: To determine the effects of structured exercise programs on self-reported disability in older adults with knee osteoarthritis. SETTING AND DESIGN: A randomized, single-blind clinical trial lasting 18 months conducted at 2 academic medical centers. PARTICIPANTS: A total of 439 community-dwelling adults, aged 60 years or older, with radiographically evident knee osteoarthritis, pain, and self-reported physical disability. INTERVENTIONS: An aerobic exercise program, a resistance exercise program, and a health education program. MAIN OUTCOME MEASURES: The primary outcome was self-reported disability score (range, 1-5). The secondary outcomes were knee pain score (range, 1-6), performance measures of physical function, x-ray score, aerobic capacity, and knee muscle strength. RESULTS: A total of 365 (83%) participants completed the trial. Overall compliance with the exercise prescription was 68% in the aerobic training group and 70% in the resistance training group. Postrandomization, participants in the aerobic exercise group had a 10% lower adjusted mean (+/- SE) score on the physical disability questionnaire (1.71 +/- 0.03 vs 1.90 +/- 0.04 units; P<.001), a 12% lower score on the knee pain questionnaire (2.1 +/- 0.05 vs 2.4 +/- 0.05 units; P=.001), and performed better (mean [+/- SE]) on the 6-minute walk test (1507 +/- 16 vs 1349 +/- 16 ft; P<.001), mean (+/-SE) time to climb and descend stairs (12.7 +/- 0.4 vs 13.9 +/- 0.4 seconds; P=.05), time to lift and carry 10 pounds (9.1 +/- 0.2 vs 10.0 +/- 0.1 seconds; P<.001), and mean (+/-SE) time to get in and out of a car (8.7 +/- 0.3 vs 10.6 +/- 0.3 seconds; P<.001) than the health education group. The resistance exercise group had an 8% lower score on the physical disability questionnaire (1.74 +/- 0.04 vs 1.90 +/- 0.03 units; P=.003), 8% lower pain score (2.2 +/- 0.06 vs 2.4 +/- 0.05 units; P=.02), greater distance on the 6-minute walk (1406 +/- 17 vs 1349 +/- 16 ft; P=.02), faster times on the lifting and carrying task (9.3 +/- 0.1 vs 10.0 +/- 0.16 seconds; P=.001), and the car task (9.0 +/- 0.3 vs 10.6 +/- 0.3 seconds; P=.003) than the health education group. There were no differences in x-ray scores between either exercise group and the health education group. CONCLUSIONS: Older disabled persons with osteoarthritis of the knee had modest improvements in measures of disability, physical performance, and pain from participating in either an aerobic or a resistance exercise program. These data suggest that exercise should be prescribed as part of the treatment for knee osteoarthritis.
OBJECTIVES: To assess the level of perceived difficulty experienced by patients with retinitis pigmentosa (RP) in the performance of everyday activities and to determine the correlation between patients' self-reported difficulty and clinical measures of visual function. METHODS: One hundred sixty-seven patients with typical RP and Usher syndrome type 2, with a wide range of disease severity, rated their difficulty in the performance of 33 activities. We obtained data on visual acuity and visual field area for all patients, and electroretinogram (ERG) recordings on a subgroup of 49 of these patients. Results from the questionnaire were analyzed with factor analysis, and patients' self-reports were compared with their clinical data using correlational analyses and multiple regression. RESULTS: The patients' questionnaire responses clustered into 6 factors: activities involving central vision, miscellaneous activities (no discernible common factor), activities related to mobility, driving, negotiating steps, and eating meals. Of the clinical tests, visual acuity was most strongly related to the patients' ratings of their difficulty in performance. Visual field area also was related to patients' self-assessments but not as strongly as visual acuity. Because visual field area and the ERG measures were correlated, adding ERG information did not improve predictability. CONCLUSIONS: In patients with RP, perceived difficulty in performing common tasks was most strongly related to level of visual acuity and visual fields. Although certain ERG amplitude measures did show positive correlations with some self-reported activities, overall, the ERG amplitude measures showed the least relationship with patients' self-reports. Our results provide insight into RP patients' perceived difficulties in performing everyday activities and the clinical measures of visual function that most highly correlate with these difficulties.
The direct and buffer effects of various aspects of social support and personal coping resources on depressive symptoms were examined. The study concerned a community-based sample of 1690 older persons aged 55-85 yrs, of whom 719 had no chronic disease, 612 had mild arthritis and 359 had severe arthritis. Persons with arthritis reported more depressive symptoms than persons with no chronic diseases. Irrespective of arthritis, the presence of a partner, having many close social relationships, feelings of mastery and a high self-esteem were found to have direct, favourable effects on psychological functioning. Mastery, having many diffuse social relationships, and receiving emotional support seem to mitigate the influence of arthritis on depressive symptoms, which is in conformity with the buffer hypothesis. Favourable effects of these variables on depressive symptomatology were only, or more strongly, found in persons suffering from severe arthritis.