Table 2 Descriptive statistics for body composition, thigh composition, and mitochondrial metabolism parameters
| Â | All subjects | Females | Males |
|---|---|---|---|
N = 34 | n = 19 | n = 15 | |
Body composition and thigh composition | |||
Total body weight (kg) | 72.3 ± 14.0 | 67.3 ± 12.1 | 78.5 ± 14.2* |
Fat mass (kg) | 20.7 ± 8.9 | 20.1 (16.7, 24.1) | 17.4 (13.0, 23.4) |
Percent fat mass (%) | 28.0 ± 8.5 | 30.2 (26.7, 34.1) | 22.5 (18.1, 28.0)* |
Lean mass (kg) | 48.8 ± 8.7 | 42.9 (40.2, 45.9) | 55.5 (52.6, 58.5)** |
VAT (kg) | 0.36 ± 0.43 | 0.16 (0.08, 0.25) | 0.53 (0.30, 0.80)** |
Thigh skeletal muscle (cm2) | 137.0 ± 26.7 | 121.8 (113.8, 130.3) | 152.7 (138.9, 168.0)** |
Thigh SAT (cm2) | 60.9 ± 30.5 | 70 (57.6, 85.1) | 37.4 (27.5, 50.9)** |
Thigh IMAT (cm2) | 1.2 ± 1.7 | 0.65 (0.42, 1.01) | 0.78 (0.45, 1.36) |
Monocyte mitochondrial metabolism parameters | |||
Basal (pmol/min)§ | 93.9 ± 36.5 | 94.0 (76.8, 115.2) | 93.7 (76.9, 114.3) |
ATP-linked (pmol/min) | 75.1 ± 26.1 | 73.8 (60.7, 89.7) | 76.5 (64.1, 91.3) |
Maximal OCR (pmol/min) | 222.9 ± 101.4 | 212.3 (167.6, 268.8) | 237.2 (188.6, 298.4) |
Reserve capacity (pmol/min) | 123.5 ± 70.8 | 111.6 (82.7, 150.6) | 140.4 (106.6, 184.9) |
Muscular mitochondrial metabolism parameters | |||
Skeletal muscle τPCr (s) | 32.0 ± 12.3 | 29.5 (24.7, 35.3) | 35.5 (28.7, 44) |
ATP maximum (mMolal/s) | 0.60 ± 0.24 | 0.65 (0.56, 0.76) | 0.54 (0.42, 0.70) |
Initial PCr (mMolal) | 19.5 ± 2.7 | 19.5 ± 2.6 | 19.5 ± 2.8 |
PCr depletion (%) | 35.2 ± 10.1 | 33.1 ± 8.9 | 37.9 ± 11.3 |