年齢から推定した50%VO2max相当のMETsと冠動脈疾患危険因子との関係

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The aim of this study is to elucidate the relationship between the predicted 50%VO2max/wt (ml/kg/min) and coronary risk factors (CRFs).Seven hundred eighty six men (37.3 +/- 13.5 years old) and 1,268 women (41.5 +/- 13.6 years old) were studied. The predicted 50%VO2max/wt was calculated by utilizing data from the continuous incremental exercise test with a stationary bicycle ergometer and the age-predicted heart rate at 50%VO2max (=138-age/2). As CRFs, percent body fat, systolic blood pressure, diastolic blood pressure, total cholesterol, triglyceride, high density lipoprotein cholesterol, fasting blood sugar and HbA1c were measured.The age-adjusted odds ratio of having abnormal values in CRFs across quartiles of the predicted 50%VO2max/wt (highest to lowest) were 1.00 (reference), 1.39, 2.64, and 6.78 in men, and 1.00, 1.73, 2.33 and 3.44 in women (for trend, p<0.001), respectively.This study indicated that the lower 50%VO2max/wt resulted in the higher odds ratio of having abnormal values in CRFs among Japanese. It was also confirmed that the sub-maximal aerobic capacity was associated with CRFs.