Table 1. Comparison of characteristics of subjects classified by fitness level.
Continuous variables Fitness level
All subject
(M=52, F=32)
Low
(M=18, F=9)
Moderate
(M=17, F=12)
High
(M=17, F=11)
Mean SD Mean SD Mean SD Mean SD p
Age (yrs) 50.9 10.7 47.4 11.5 53.6 10.4 51.4 9.6 N.S.
BMI (kg·m-2) 25.1 4.1 27.7 4.4 24.8 3.2 22.9 3.2 < .001
Waist girth (cm) 88.4 10.1 94.3 10.8 88.0 7.5 83.0 8.8 < .001
Daily ethanol intake (g) 3.0 5.2 1.7 3.6 3.9 5.5 3.4 6.1 N.S.
Type 2 DM (%) 60.0 (71.4) 20.0 (74.1) 21.0 (72.4) 19.0 (67.9)
Current smoking (%) 26.0 (31.0) 10.0 (37.0) 6.0 (20.7) 10.0 (35.7) N.S.
Visceral fat area (cm2) 160.4 63.2 197.6 70.4 155.2 44.9 129.8 55.2 < .001
Subcutaneous fat area (cm2) 172.1 86.0 202.1 104.1 165.7 78.6 149.8 66.7 N.S.
L / S ratio † 1.03 0.26 0.90 0.28 1.09 0.17 1.08 0.26 < .005
AST (U/L) 26.3 12.5 33.9 14.3 22.6 8.9 22.8 10.6 < .001
ALT (U/L) 38.8 31.0 57.6 39.3 29.3 17.3 30.5 25.3 < .001
GGT (U/L) 43.7 26.8 53.0 31.9 42.2 25.7 36.3 19.7 N.S.
VO2max (ml·kg-1·min-1) 32.1 5.7 27.5 3.8 31.1 3.0 37.5 4.9 < .001
Total cholesterol (mg/dL) 217.6 35.9 211.0 39.1 226.6 31.2 214.7 36.8 N.S.
Triglyceride (mg/dL) 134.4 78.3 140.1 77.8 127.9 67.2 135.5 90.8 N.S.
HDL-C (mg/dL) 51.4 12.5 47.1 11.0 55.3 14.9 51.6 10.1 N.S.
Fasting glucose (mg/dL) 136.1 33.5 136.3 41.8 140.9 32.8 131.0 24.3 N.S.
Fasting insulin (μU/mL) 7.4 4.7 10.3 5.8 6.3 3.3 5.6 3.3 < .001
Systolic blood pressure (mmHg) 127 17 133 16 124 18 124 17 N.S.
Diastolic blood pressure (mmHg) 80 11 84 11 79 11 76 9 < .05
bbreviations are denoted in text. Data are expressed as means±S.D. or number of patients. The percentage in each group is shown in parenthesis. One-way ANOVA or Chi-square test was performed for statistical analysis. N.S. not significant