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Metabolism. 1994 Jul;43(7):917-24.

The effects of weight loss by exercise or by dieting on plasma high-density lipoprotein (HDL) levels in men with low, intermediate, and normal-to-high HDL at baseline.

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Stanford Center for Research in Disease Prevention, Stanford University School of Medicine, CA.


To assess whether baseline plasma high-density lipoprotein (HDL) cholesterol levels affected the HDL response to weight loss, we examined lipoprotein changes in overweight men aged 30 to 59 years who were randomized to lose weight by exercise training (primarily running, n = 46) or by caloric restriction (ie, dieting, n = 42) or to remain sedentary, nondieting controls (n = 42) in a 1-year study. In exercisers, absolute increases in HDL (mg/dL) were greatest in men with normal-to-high baseline HDL and least in men with low baseline HDL. Specifically, when divided into groups of low (< or = 37 mg/dL), intermediate (38 to 47 mg/dL), and normal-to-high HDL cholesterol (> or = 48 mg/dL) at baseline, the exercisers increased HDL cholesterol by 2.3 +/- 1.9, 4.9 +/- 1.1, and 7.0 +/- 1.3 mg/dL, respectively; HDL2 cholesterol by 0.8 +/- 1.6, 2.3 +/- 1.2, and 5.1 +/- 1.3 mg/dL; and HDL2 mass by 2.8 +/- 5.1, 9.5 +/- 8.9, and 31.7 +/- 11.0 mg/dL. Relative increases in HDL cholesterol were more similar in the low (7.1% +/- 6.1%), intermediate (12.4% +/- 3.9%), and normal-to-high men (13.2% +/- 4.0%). Regression analyses were performed to assess whether baseline HDL cholesterol was related to the amount of absolute HDL change per unit of weight loss. In exercisers, the increase in HDL3 cholesterol concentrations was significantly greater in men with low HDL than in those with normal-to-high HDL at entry (2.0 +/- 0.8 v 0.2 +/- 0.8 mg/dL per kg/m2 lost).(ABSTRACT TRUNCATED AT 250 WORDS).

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