Table 1—

Subject characteristics

Low-CRF groupModerate-CRF groupHigh-CRF group
n5694147
Age (years)45.4 ± 8.5 (25–62)*49.4 ± 8.2 (30–69)51.4 ± 7.5 (27–73)
Body mass (kg)101.3 ± 13.6 (72–137)91.7 ± 11.9 (61–124)86.3 ± 11.6 (60–126)
BMI (kg/m2)32.1 ± 3.5 (23.5–40.8)29.1 ± 3.4 (20.8–35.8)26.9 ± 3.2 (21.2–38.3)
Waist circumference (cm)111.0 ± 9.4 (92–133)103.4 ± 9.2 (80–121)94.9 ± 10.1 (70–129)
Vo2max (ml · kg−1 · min−1)29.7 ± 3.7 (20.5–36.2)36.2 ± 3.7 (26.4–43.2)44.3 ± 4.6 (35.2–58.3)
Visceral fat (cm2)170.0 ± 55.7 (71–293)162.7 ± 51.1 (63–280)130 ± 55 (29.9–284.2)
Subcutaneous fat (cm2)326.8 ± 97.3 (165–607)267.3 ± 82.7 (115–487)214.2 ± 79.7 (35–484)
Total cholesterol (mg/dl)201.8 ± 35.2 (135–310)203.6 ± 35.2 (135–299)204.9 ± 40.0 (109–308)
Triglycerides (mg/dl)207.8 ± 130.4 (80–628)174.9 ± 99.3 (47–602)129.1 ± 64.7 (37–380)
HDL cholesterol (mg/dl)35.7 ± 9.0 (13–55)*43.3 ± 13.4 (9–98)47.2 ± 10.2 (25–73)§
Fasting glucose (mg/dl)100.8 ± 15.5 (73–148)99.5 ± 10.3 (73–131)99.9 ± 9.1 (76–124)
Systolic blood pressure (mmHg)124.4 ± 15.3 (100–160)122.9 ± 12.0 (100–150)122.2 ± 10.8 (90–144)
Metabolic syndrome (%)6033.312.2
  • Data are means ± SD (range) unless otherwise indicated.

  • *

    * P < 0.01, different from moderate- and high-CRF groups;

  • P < 0.01, all groups are significantly different from each other;

  • P < 0.01, different from low- and moderate-CRF groups;

  • §

    § P = 0.025, different from moderate-CRF group;

  • obtained from n = 31, n = 87, and n = 139 in the low-, moderate-, and high-CRF groups, respectively.