期刊
DIABETES CARE
卷 28, 期 6, 页码 1295-1302出版社
AMER DIABETES ASSOC
DOI: 10.2337/diacare.28.6.1295
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OBJECTIVE - To establish the impact of different amounts of increased energy expenditure on type 2 diabetes care. RESEARCH DESIGN AND METHODS - Post hoc analysis of long-term effects of different amounts of increased energy expenditure (metabolic equivalents [METS] per hour per week) through voluntary aerobic physical activity was performed in 179 type 2 diabetic subjects (age 62 +/- 1 years [mean +/- SE]) randomized to a physical activity counseling intervention. Subjects were followed for 2 years and divided into six groups based on their increments in METs per hour per week: group 0 (no activity, n = 28), group 1-10 (6.8 +/- 0.3, n = 27), group 11-20 (17.1 +/- 0.4, n = 31), group 21-30 (27.0 +/- 0.5, n = 27), group 31-40 (37.5 +/- 0.5, n = 32), and group > 40 (58.3 +/- 1.8, n = 34). RESULTS - At baseline, the six groups did not differ for energy expenditure, age, sex, diabetes duration, and all parameters measured. After 2 years, in group 0 and in group 1-10, no l parameter changed; in groups 11-20, 21-30, 31-40, and > 40, HbA(1c), blood pressure, total serum cholesterol, triglycerides, and estimated percent of 10-year coronary improved (P < 0.05). In group 21-30, 31-40, and > 40, body weight, waist circumference, heart rate, fasting plasma glucose, serum LDL and HDL cholesterol also improved (P < 0.05). METs per hour per week correlated positively with changes of HDL cholesterol and negatively with those of other parameters (P < 0.001). After 2 years, per capita yearly costs of medications increased (P = 0.008) by $393 in group 0, did not significantly change in group 1-10 ($206, P = 0.09), and decreased in group 11-20 (-$196, P = 0.01), group 21-30 (-$593, P = 0.009), group 31-40 (-$660, P = 0.003), and group > 40 (-$579, P = 0.001). CONCLUSIONS - Energy expenditure > 10 METs - h(-1) - week(-1) obtained through aerobic leisure time physical activity is sufficient to achieve health and financial advantages, week benefits are achieved with energy expenditure > 20 METs - h(-1) - week(-1).
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