Table 2.
Characteristics and bioelectrical impedance analysis parameters of study populations
| Characteristic | Male |
Female |
Total | ||||
|---|---|---|---|---|---|---|---|
| Total | Normal SMI | Sarcopenia | Total | Normal SMI | Sarcopenia | ||
| No. (%) | 13,006 (55.4) | 11,165 (47.6) | 1,841 (7.8) | 10,467 (44.6) | 7,730 (32.9) | 2,737 (11.7) | 23,473 (100) |
| Age, yr | 47.92 ± 11.17 | 47.55 ± 10.70 | 50.14 ± 13.42 | 47.58 ± 11.91 | 45.76 ± 11.13 | 52.74 ± 12.52 | 47.77 ± 11.51 |
| Height, cm | 170.67 ± 5.96 | 170.97 ± 5.83 | 168.90 ± 6.42 | 158.10 ± 5.76 | 158.93 ± 5.52 | 155.77 ± 5.80 | 165.07 ± 8.57 |
| Weight, kg | 71.84 ± 10.39 | 70.54 ± 9.08 | 79.75 ± 13.76 | 57.89 ± 8.45 | 55.90 ± 6.84 | 63.51 ± 9.89 | 65.62 ± 11.82 |
| BMI, kg/m2 | 24.62 ± 3.00 | 24.09 ± 2.52 | 27.83 ± 3.59 | 23.17 ± 3.19 | 22.12 ± 2.39 | 26.12 ± 3.31 | 23.97 ± 3.17 |
| BMR, kcal | 1,405.28 ± 206.81 | 1,404.57 ± 207.00 | 1,409.56 ± 205.64 | 1,404.55 ± 206.39 | 1,405.72 ± 206.65 | 1,401.23 ± 205.63 | 1,404.95 ± 206.62 |
| WC, cm | 86.92 ± 7.52 | 85.51 ± 6.41 | 95.45 ± 8.12 | 82.48 ± 9.05 | 79.23 ± 6.68 | 91.68 ± 8.53 | 84.94 ± 8.53 |
| Fat mass, kg | 16.98 ± 5.88 | 15.55 ± 4.22 | 25.66 ± 6.98 | 18.61 ± 5.72 | 16.40 ± 3.80 | 24.82 ± 5.65 | 17.70 ± 5.87 |
| PBF, % | 23.21 ± 5.36 | 21.78 ± 4.16 | 31.83 ± 3.40 | 31.61 ± 5.87 | 29.08 ± 4.27 | 38.78 ± 3.28 | 26.95 ± 6.98 |
| PBF median | 23.12 | 31.65 | |||||
| FMI, kg/m2 | 5.83 ± 1.98 | 5.31 ± 1.40 | 8.94 ± 2.11 | 7.47 ± 2.34 | 6.50 ± 1.49 | 10.21 ± 2.13 | 6.56 ± 2.30 |
| LBM, kg | 18.79 ± 1.56 | 18.78 ± 1.52 | 18.89 ± 1.80 | 15.70 ± 1.31 | 15.62 ± 1.26 | 15.91 ± 1.42 | 17.41 ± 2.11 |
| SM, kg | 30.83 ± 3.91 | 30.93 ± 3.77 | 30.23 ± 4.67 | 21.20 ± 2.61 | 21.34 ± 2.48 | 20.78 ± 2.92 | 26.54 ± 5.87 |
| SMM, kg/m2 | 10.56 ± 0.98 | 10.56 ± 0.95 | 10.55 ± 1.13 | 8.47 ± 0.80 | 8.44 ± 0.77 | 8.54 ± 0.87 | 9.62 ± 1.38 |
Values are presented as mean ± SD.
SMI, skeletal muscle mass; BMI, body mass index; BMR, basal metabolic rate; WC, waist circumference; PBF, percentage of body fat; FMI, fat mass index; LBM, lean body mass; SM, skeletal muscle; SMM (kg/m2), skeletal muscle mass; SMI (%), weight adjusted skeletal muscle mass index.