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The effects of subject-selected high carbohydrate, low fat diets on glycemic control in insulin dependent diabetes mellitus.

In the present study, six women with insulin dependent diabetes mellitus (IDDM) were assigned to begin either a control diet containing 45% of the calories as carbohydrate, 40% fat, and 15% protein for four weeks, or a high carbohydrate, low fat diet with 65% carbohydrate, 20% fat, and 15% protein for six weeks. All subjects completed both periods in a cross-over experimental design. Individual menus varied, and were subject-selected from a calculated exchange list consisting of conventional food items. Subjects selected an equal distribution of carbohydrate from simple and complex sources during both dietary periods, and dietary fiber intake was only modestly greater during the high carbohydrate diet (50 g) than in the control diet period (28 g). No significant changes occurred in any measures of glycemic control between the control and high carbohydrates diets; fasting serum glucose 215 vs 213 mg/100 ml; preprandial serum glucose 214 vs 200 mg/100 ml; 24 hour urine glucose 36 vs 31 g/day; and glycosylated hemoglobin 10.3 vs 10.5% Hb A1, respectively. Similarly, insulin dose was unchanged during the control (38 IU/day) and experimental (38 IU/day) periods. These findings indicate that the application of present dietary recommendations to persons with IDDM in a realistic clinical setting led to neither an improvement nor a deterioration of glycemic control.

Adult↗

The impact of physiological, therapeutic and psychosocial variables on glycemic control in youth with type 1 diabetes mellitus.

OBJECTIVE: Intensive management of type 1 diabetes mellitus (DM1) in youth is challenging. We evaluated the relative impact of variables related to DM1 among groups of pre/early pubertal, midpubertal and postpubertal youths with DM1. METHODS: In this cross-sectional study of 153 youth with DM1, we ascertained Tanner stage, insulin dose and delivery modality (CSII vs MDI), daily blood glucose monitoring (BGM) frequency, and most recent hemoglobin A1c (HbA1c). We collected questionnaires from patients and their parents on diabetes-specific family conflict and family involvement in diabetes management tasks. We assessed predictors of glycemic control according to pubertal status. RESULTS: Insulin doses increased between pre/ early puberty and midpuberty (p <0.0001); daily BGM frequency (p = 0.02) and family involvement for DM management (p <0.001) were lowest in the postpubertal group. HbA1c was similar among all three puberty groups (8.4+/-1.4). Lower levels of child-reported DM-specific family conflict, more frequent BGM, and CSII use were significantly associated with lower HbA1c (R2 = 0.20, p <0.001). CONCLUSION: Although glycemic control was not significantly worse in midpubertal and post-pubertal patients, family involvement for DM management and adherence to BGM were lower in late adolescence. Interventions to optimize glycemic control may include minimizing DM-specific conflict, increasing BGM frequency, and implementing CSII use.

Adolescent↗

Coronary microangiopathy in type 2 diabetic patients: relation to glycemic control, sex, and microvascular angina rather than to coronary artery disease.

UNLABELLED: Coronary microangiopathy is a major complication in diabetics. However, the presence of independent factors in association with coronary microangiopathy in patients with non-insulin-dependent diabetes mellitus (NIDDM) or the difference in coronary microangiopathy between diabetics with coronary artery disease (CAD) and those with microvascular angina is unclear. METHODS: Nineteen patients with NIDDM and microvascular angina, 18 patients with NIDDM and CAD, and 17 age-matched control subjects were studied. Myocardial segments that were perfused by angiographically normal coronary arteries were studied. The baseline myocardial blood flow (MBF) and the MBF during dipyridamole administration were measured using PET and 13N-ammonia, after which the myocardial flow reserve (MFR) was calculated to assess coronary microangiopathy. RESULTS: The baseline MBF was comparable among NIDDM patients with microvascular angina, NIDDM patients with CAD, and control subjects. However, the MBF during dipyridamole administration was significantly lower in NIDDM patients with microvascular angina (126 +/- 42.7 mL/min/100 g) than that in either NIDDM patients with CAD (210 +/- 70.1 mL/min/100 g; P < 0.01) or control subjects (293 +/- 159 mL/min/100 g; P < 0.01), as was the MFR (NIDDM with microvascular angina, 1.90 +/- 0.73; NIDDM with CAD, 2.59 +/- 0.81 [P < 0.01]; control subjects, 3.69 +/- 1.09 [P < 0.01]). Multivariate stepwise regression analysis showed that, among the factors considered, glycemic control was independently related to the MFR (r = 0.838; P < 0.05). CONCLUSION: Glycemic control appears to be essential for coronary microangiopathy in NIDDM.

Adult↗

Effect of war on glycemic control in type II diabetic patients.

OBJECTIVE: To determine the effect of war-related, protracted stress on glycemic control in type II diabetic patients. RESEARCH DESIGN AND METHODS: We examined 35 patients with type II diabetes as part of their routine control in October 1990. We reexamined them in October 1991, 3 mo after the war in Croatia began. We also administered a questionnaire to assess the patients' exposure to stress and changes in diet and exercise. RESULTS: The patients were exposed to considerable stressors. The wartime diet differed from the prewar diet. We found significant changes in total serum cholesterol and TG values (P < 0.01), but we observed no significant changes in body weight, FBG, postprandial blood glucose, and HbA1c values. Insulin and glibenclamide dosages did not change. CONCLUSIONS: We detected no significant impact of stress on glycemic control, probably because of differences in individual stress responsiveness. Changes in the lipid status probably were attributable to changes in dietary habits caused by specific circumstances.

Adult↗

Impact of the work environment on glycemic control and adaptation to diabetes.

OBJECTIVE: To evaluate quantitatively whether the work environments of adults with diabetes relate to the adequacy of metabolic control and/or to the individual's adaptation to diabetes and to explore qualitatively the interactions between an individual's life at work and ways of coping with diabetes. RESEARCH DESIGN AND METHODS: A total of 129 insulin-requiring adults who were employed outside of the home were assessed on a single occasion. They completed two work system measures (The Work Environment Scale and The Work Apgar Scale) and two quality-of-life measures (The Diabetes Quality of Life Scale and The Appraisal of Diabetes Scale). Subjects also participated in a semi-structured interview concerning the interaction of work and diabetes. Glycemic control was assessed by using HbAlc results. Demographic data (age, sex, diabetes type, duration of diabetes, number of diabetes-related medical complications) were gathered from the charts. RESULTS: Concerning glycemic control, neither of the work system measures was a significant predictor of HbAlc. Concerning psychosocial adaptation, supervisor support was found to be a significant predictor of positive appraisal and diabetes-related satisfaction. Involvement and coworker cohesion also predicted aspects of diabetes-related quality of life. Interview themes showed that for a minority (18%), diabetes affected choice of work and that for a majority (60%), diabetes affected relationships at work and raised financial/job concerns (49%). Most adjust their diet, blood glucose testing, and exercise regimen through work-related modifications. CONCLUSIONS: For insulin-treated adults with diabetes, work system variables do not directly relate to glycemic control, but they do relate to psychosocial adaptation. Future work should examine further the specific aspects of the workplace that might affect adaptation, with the goal being to develop worksite interventions that target not only the employee with diabetes but also their supervisors and coworkers.

Adaptation, Physiological↗

Profiles of people with type 2 diabetes mellitus: the extremes of glycemic control.

For people with diabetes, hemoglobin A1c (HbA1c) is a measure of blood glucose control and an indication of the risk of developing diabetes complications. However, a given HbA1c value does not provide information about the diabetes self-management practices or philosophies of individuals in poor (HbA1c > 8.0%) or excellent (HbA1c < 6.5%) control. To contrast the experiences and attitudes of people at the extremes of glycemic control, interviews were conducted among 44 individuals (40-65 years old) diagnosed with diabetes for over 1 year. The participants were identified based upon their HbA1c value from a larger sample of people with type 2 diabetes that included African Americans, women, and persons with low income. Narratives were analyzed using a case-based and conceptually clustered matrix approach. The life course concept (life histories and natural transitions in roles and responsibilities across the life span) and the explanatory model of illness (individuals' beliefs about the causes, consequences, and treatment of a disease) provided the framework for the interview guide and the analysis of the narratives. Two self-management philosophy groups emerged from participants with excellent control (Committed [n = 15] and Tentative [ n = 7]) and three groups were identified among the poorly controlled group (Hopeful [n = 8], Hassled [n = 6 ], and Overwhelmed [n = 8]). Perseverance, coping skills, and age at diagnosis were life course concepts that distinguished participants within these groups. From the explanatory model of illness, beliefs about the cause of the disease, physical changes, and accepting the consequence of the disease influenced differences in these self-management philosophies. The profiles of people at the extremes of glycemic control can help those treating people with diabetes or seeking to improve self-management interventions understand differences in self-management philosophies and concentrate on specific issues hindering self-care control.

Adult↗

alpha-Lipoic acid decreases oxidative stress even in diabetic patients with poor glycemic control and albuminuria.

In the present cross-sectional study, the influence of alpha-lipoic acid on markers of oxidative stress, assessed by measurement of plasma lipid hydroperoxides (ROOHs), and on the balance between oxidative stress and antioxidant defence, determined by the ratio ROOH/(alpha-tocopherol/cholesterol), was examined in 107 patients with diabetes mellitus. Patients receiving alpha-lipoic acid (600 mg/day for > 3 months) had significant lower ROOHs and a lower ROOH/(alpha-tocopherol/cholesterol) ratio than those without alpha-lipoic acid treatment [ROOH: 4.76 +/- 2.49 vs. 7.16 +/- 3.22 mumol/l; p < .0001] and [ROOH/(alpha-tocopherol/cholesterol): 1.37 +/- 0.72 vs. 2.16 +/- 1.17; p < 0.0001]. In addition, the influence of glycemic control and albuminuria on ROOHs and on the ratio of ROOH/(alpha-tocopherol/cholesterol) was examined in the presence and absence of alpha-lipoic acid treatment. Patients were subdivided into three groups based on (1) their HbA1 levels (< 7.5, 7.5-9.5, and > 9.5%) and (2) their urinary albumin concentrations (< 20, 20-200, and > 200 mg/l). Neither poor glycemic control, nor the presence of micro- or macroalbuminuria prevented the antioxidant effect of alpha-lipoic acid. Using stepwise multiple regression analysis, alpha-lipoic acid was found to be the only factor significantly predicting low ROOHs and a low ratio of ROOH/(alpha-tocopherol/cholesterol). These data provide evidence that treatment with alpha-lipoic acid improves significantly the imbalance between increased oxidative stress and depleted antioxidant defence even in patients with poor glycemic control and albuminuria.

Albuminuria↗

Do automated calls with nurse follow-up improve self-care and glycemic control among vulnerable patients with diabetes?

PURPOSE: We sought to evaluate the effect of automated telephone assessment and self-care education calls with nurse follow-up on the management of diabetes. SUBJECTS AND METHODS: We enrolled 280 English- or Spanish-speaking adults with diabetes who were using hypoglycemic medications and who were treated in a county health care system. Patients were randomly assigned to usual care or to receive an intervention that consisted of usual care plus bi-weekly automated assessment and self-care education calls with telephone follow-up by a nurse educator. Outcomes measured at 12 months included survey-reported self-care, perceived glycemic control, and symptoms, as well as glycosylated hemoglobin (Hb A1c) and serum glucose levels. RESULTS: We collected follow-up data for 89% of enrollees (248 patients). Compared with usual care patients, intervention patients reported more frequent glucose monitoring, foot inspection, and weight monitoring, and fewer problems with medication adherence (all P -0.03). Follow-up Hb A,, levels were 0.3% lower in the intervention group (P = 0.1), and about twice as many intervention patients had Hb A1c levels within the normal range (P = 0.04). Serum glucose levels were 41 mg/dL lower among intervention patients than usual care patients (P = 0.002). Intervention patients also reported better glycemic control (P = 0.005) and fewer diabetic symptoms (P <0.0001 ), including fewer symptoms of hyperglycemia and hypoglycemia. CONCLUSIONS: Automated calls with telephone nurse follow-up may be an effective strategy for improving self-care behavior and glycemic control, and for decreasing symptoms among vulnerable patients with diabetes.

Adult↗

Decrease in skin collagen glycation with improved glycemic control in patients with insulin-dependent diabetes mellitus.

Glycation, oxidation, and nonenzymatic browning of protein have all been implicated in the development of diabetic complications. The initial product of glycation of protein, fructoselysine (FL), undergoes further reactions, yielding a complex mixture of browning products, including the fluorescent lysine-arginine cross-link, pentosidine. Alternatively, FL may be cleaved oxidatively to form N(epsilon)-(carboxymethyl)lysine (CML), while glycated hydroxylysine, an amino-acid unique to collagen, may yield N(epsilon)-(carboxymethyl)hydroxylysine (CMhL). We have measured FL, pentosidine, fluorescence (excitation = 328 nm, emission = 378 nm), CML, and CMhL in insoluble skin collagen from 14 insulin-dependent diabetic patients before and after a 4-mo period of intensive therapy to improve glycemic control. Mean home blood glucose fell from 8.7 +/- 2.5 (mean +/- 1 SD) to 6.8 +/- 1.4 mM (P less than 0.005), and mean glycated hemoglobin (HbA1) from 11.6 +/- 2.3% to 8.3 +/- 1.1% (P less than 0.001). These changes were accompanied by a significant decrease in glycation of skin collagen, from 13.2 +/- 4.3 to 10.6 +/- 2.3 mmol FL/mol lysine (P less than 0.002). However, levels of browning and oxidation products (pentosidine, CML, and CMhL) and fluorescence were unchanged. These results show that the glycation of long-lived proteins can be decreased by improved glycemic control, but suggest that once cumulative damage to collagen by browning and oxidation reactions has occurred, it may not be readily reversed. Thus, in diabetic patients, institution and maintenance of good glycemic control at any time could potentially limit the extent of subsequent long-term damage to proteins by glycation and oxidation reactions.

Arginine↗

Psychosocial correlates of glycemic control as a function of age in youth with insulin-dependent diabetes.

Research into the psychosocial correlates of glycemic control in youth with insulin-dependent diabetes has been variable in outcome. The present study tested the hypothesis that psychosocial correlates will vary with the individual's developmental stage. Psychosocial measures completed by or about youth, parents, and family were regressed against glycosylated hemoglobin (Ghb), an index of glycemic control. Correlation sets based on age (8-10, 11-13, and 14-16 years) were tested for overall significance. One of the three sets originating from youth and one of six from parents attained setwise significance, allowing interpretation of individually significant coefficients. Relationships within these sets provided limited confirmation of the initial proposition. Health locus of control beliefs in 8-10 year olds, and parental continuity and consistency of expectations and affirmations of structure and organization within the 11-13-year-old group, were salient correlates of Ghb, suggesting a potential focus for preventive/supportive family assistance.

Adaptation, Psychological↗

Improvement in blunted glucagon response to insulin-induced hypoglycemia by strict glycemic control in diabetics.

To elucidate the mechanism of impaired pancreatic A cell function in hypoglycemia in diabetics, the effect of long-term strict glycemic regulations on hypoglycemia-induced glucagon secretion was studied. Firstly, the effect of plasma insulin concentrations on suppressing A cell was studied in healthy volunteers by injecting insulin at doses of 0.1 U/kg and 0.3 U/kg. With 0.3 U/kg of insulin, the rate of fall in glycemia and the nadir of blood glucose were made similar to those with 0.1 U/kg of insulin by glucose infusion with artificial endocrine pancreas. Plasma glucagon response after 0.3 U/kg of insulin was significantly suppressed as compared to that after 0.1 U/kg of insulin, demonstrating that not only hypoglycemic stimulus but also plasma insulin concentration were important determinants responsible for glucagon secretion in insulin-induced hypoglycemia. Secondly, effect of strict glycemic control was studied. Short-acting insulin at a dose of 0.1 U/kg was injected in an intravenous bolus form into 12 insulin-dependent (IDDM) and 9 non-insulin-dependent (NIDDM) diabetics before and 1-3 months after strict glycemic control with multiple insulin injections therapy. Before strict glycemic regulations in IDDM, no significant rise in plasma glucagon concentrations was observed during the insulin-induced hypoglycemia. In NIDDM, a rise in plasma glucagon concentrations was observed, though the response was delayed. After strict glycemic regulations, in patients with residual endogenous insulin secretion, the glucagon response to hypoglycemia improved considerably in IDDM and normalized in NIDDM. In IDDM and NIDDM, improvement in glucagon response to hypoglycemia related positively to daily urinary secretion rate of C-peptide.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗

Perception of family support is correlated with glycemic control in Greeks with diabetes mellitus.

We studied 98 native Greek patients with Type 2 diabetes mellitus. Their degree of glycemic control, evaluated with glycated hemoglobin A1c levels, was correlated with perceived family support, assessed with the Family Support Scale. The different social context of Greece--and its corresponding perception of family support--influence glycemic control in a way that is at variance from data of some studies of Anglo-Saxon families. In conclusion, family support should be taken into consideration in the management of native Greek patients with Type 2 diabetes mellitus.

Adult↗

Strategies for improving glycemic control: effective use of glucose monitoring.

Despite the increasing prevalence of diabetes, improved understanding of the disease, and a variety of new medications, glycemic control does not appear to be improving. Self-monitoring of blood glucose (SMBG) is one strategy for improving glycemic control; however, patient adherence is suboptimal and proper education and follow-up are crucial. Patients need to understand why they are being asked to self-test, what their glycemic targets are, and what they should do based on the results of self-monitoring. Patients also must be taught proper technique and must be given specific recommendations regarding frequency and timing for self-monitoring. Situations in which SMBG is essential or should be more frequent include self-adjustment of insulin doses, changes in medications, lack of awareness of hypoglycemia, gestational diabetes, illness, or when hemoglobin A1c (HbA1c) values are above target. SMBG should include postprandial monitoring to identify glycemic excursions after meals, to indicate the need for lifestyle adjustments, and to provide patient feedback on dietary choices.

Blood Glucose Self-Monitoring↗

Risk factors for poor glycemic control in diabetic children in France.

OBJECTIVE: To test whether immigrant versus nonimmigrant origin, among other factors, is associated with differences in glycemic control in diabetic children. RESEARCH DESIGN AND METHODS: A cross-sectional multicenter survey was performed in 165 French diabetic children aged 7-13 years and their parents. HbA1c was measured by high-performance liquid chromatography in a single laboratory (reference value: 5.1 +/- 0.6%). Standardized questionnaires were used to evaluate cognitive, familial, and socioeconomic factors and adherence to diabetes regimen. RESULTS: The mother's place of birth was found to account for 6.6% of the HbA1c variance. Two groups of children were identified with French-speaking immigrant (n = 27) and native French mothers (n = 138) who had significantly different HbA1c values of 9.1 +/- 8% vs. 8.1 +/- 1.4%, respectively (P < 0.001). Adherence to diabetes treatment was significantly lower in immigrant mothers for diet and insulin changes (P < 0.01), as well as their level of diabetes knowledge (P < 0.01). This immigrant group had no significant differences in parents' socioeconomic status, educational background, family status, family functioning, diabetes education background, and social support compared with the native French mothers' group. CONCLUSIONS: Despite no differences in socioeconomic status, a group of children with less well-controlled diabetes was identified by the mother's place of birth. Cultural factors have a crucial importance in glycemic control in diabetic children and in parents' adherence to treatment and must be taken into account in the development of educational programs.

Adolescent↗

Persistent differences among centers over 3 years in glycemic control and hypoglycemia in a study of 3,805 children and adolescents with type 1 diabetes from the Hvidøre Study Group.

OBJECTIVE: Twenty-one international pediatric diabetes centers from 17 countries investigated the effect of simple feedback about the grand mean HbA(1c) level of all centers and the average value of each center on changes in metabolic control, rate of severe hypoglycemia, and insulin therapy over a 3-year period. RESEARCH DESIGN AND METHODS: Clinical data collection and determination of HbA(1c) levels were conducted at a central location in 1995 (n = 2,780, age 0-18 years) and 1998 (n = 2,101, age 11-18 years). RESULTS: Striking differences in average HbA(1c) concentrations were found among centers; these differences remained after adjustment for the significant confounders of sex, age, and diabetes duration. They were apparent even in patients with short diabetes duration and remained stable 3 years later (mean adjusted HbA(1c) level: 8.62 +/- 0.03 vs. 8.67 +/- 0.04 [1995 vs. 1998, respectively]). Three centers had improved significantly, four centers had deteriorated significantly in their overall adjusted HbA(1c) levels, and 14 centers had not changed in glycemic control. During the observation period, there were increases in the adjusted insulin dose by 0.076 U/kg, the adjusted number of injections by 0.23 injections per day, and the adjusted BMI by 0.95 kg/m(2). The 1995 versus 1998 difference in glycemic control for the seven centers could not be explained by prevailing insulin regimens or rates of hypoglycemia. CONCLUSIONS: This study reveals significant outcome differences among large international pediatric diabetes centers. Feedback and comparison of HbA(1c) levels led to an intensification of insulin therapy in most centers, but improved glycemic control in only a few.

Adolescent↗

Glycemic control is related to the morphological severity of diabetic sensorimotor polyneuropathy.

OBJECTIVE: The aim of the current study was to determine the independent clinical risk factors for predicting morphological severity of distal diabetic sensorimotor polynecuropathy (DSP) as determined by fiber density (FD) on sural nerve biopsy. RESEARCH DESIGN AND METHODS: A total of 89 patients with both type 1 and type 2 diabetes, ascertained from a large therapeutic randomized clinical trial, were included in this observational cohort study. Morphological severity of DSP was expressed as the myelinated FD in the sural nerve biopsy General linear models were used to assess the relationship between the morphological severity of DSP and various clinical risk factors. RESULTS: Glycated hemoglobin (GHb) was significantly related to FD in univariate and multivariate regression analyses. This relationship was present in models in which GHb was handled either as a continuous variable or as a categorical variable with the highest significance level, with a GHb cutoff level of 9%. After dividing patients into groups with optimal to moderate GHb < or = 9%) and suboptimal (GHb >9%) glycemic control, the difference in FD between the two groups ranged between 3,461 and 2,334 per mm2. FD was also significantly related to duration of diabetes and age of the patient. CONCLUSIONS: The severity of peripheral DSP expressed by morphological criteria was significantly related to glycemic control in type 1 and type 2 diabetic patients. Inconsistent with previously published electrophysiological data demonstrating a correlation between height and conduction velocity, increasing height is not associated with morphological severity. Based on the results of the present study, it might be hypothesized that improving glycemic control will lessen severity of DSP in terms of FD loss in subjects with diabetes.

Analysis of Variance↗

Is race related to glycemic control? An assessment of glycosylated hemoglobin in two South Carolina communities.

To consider the relationship between race and long-term glycemic control, as measured by glycosylated hemoglobin (GHb), we analyzed data from a community-based sample of 3175 adults in the South Carolina Cardiovascular Disease Prevention Project. A clinically meaningful difference for mean GHb levels (10.5 vs 8.4%, P < 0.001) was present between black people and white people reporting diabetes. Similarly, a significant association between race and GHb was present among people reporting "borderline diabetes" or no diabetes. Logistic regression confirmed this finding in all three diabetic categories, however, controlling for insulin use in the diabetic group reduced (P < 0.001) the association between GHb and race. These findings confirm that further improvements in glycemic control are necessary, especially for black patients and that black people not reporting diabetes have higher GHb levels compared to white people, possibly due to undiagnosed diabetes.

Adult↗

Changes in long-term glycemic control and performance indicators in a cohort of type 2 diabetic patients cared for by general practitioners: findings from the "Modena Diabetes Project".

BACKGROUND AND AIM: General practitioners (GPs) are being increasingly asked to play a key role in the shared care of people with diabetes mellitus, but data concerning the effects of this in Italy are still scarce. We therefore evaluated the 4-year follow-up changes in outcomes and performance indicators in type 2 diabetic patients cared for by GPs in the framework of the "Modena Diabetes Project". METHODS AND RESULTS: Seventy-four percent of the local GPs participating in the project (387 out of 521) sent 5260 paired baseline and follow-up datasheets. The baseline characteristics of the type 2 diabetic patients (49.6% male) were a mean age of 67.3+/-11.2 years, a mean disease duration of 10.9+/-7.4 years, a mean BMI of 28.7+/-4.8 kg/m2, and a mean HbA1c level 7.56+/-1.52%. After four years follow-up, the individual before/after match-paired outcomes revealed an improvement in glycemic control: HbA1c levels significantly decreased to 7.39+/-1.31%, and the percentage of patients with HbA1c level of <6.5% significantly increased from 15.7% to 22.1%. There was also a significant decrease in body weight (from 78.3+/-14.8 to 77.6+/-14.6 kg) and BMI (from 28.8+/-4.8 to 28.5+/-4.9 kg/m2). The time trends of glycemic control significantly improved during the 4-year follow up, but those of the body weight and BMI values did not. Furthermore, the percentages of performance indicators matching the expected rate of recurrence per each year of follow-up significantly improved during the study period. CONCLUSIONS: Long-term glycemic control and the performance indicators relating to the type 2 diabetic patients participating in our shared care programme progressively improved.

Aged↗