Table 1.
Demographic data for the healthy population.
| All Healthy Individuals | Young Referents | |||
|---|---|---|---|---|
| Men | Women | Men | Women | |
| n | 3028 | 2853 | 77 | 134 |
| Age (y) | 50.16 (11.27) | 48.20 (11.52) | 26.52 (2.42) | 26.66 (2.33) |
| Height (m) | 1.70 (0.06) | 1.58 (0.06) | 1.74 (0.04) | 1.61 (0.05) |
| Weight (kg) | 72.37 (10.78) | 57.06 (9.03) | 73.08 (11.20) | 55.70 (10.78) |
| BMI (kg/m2) | 25.00 (3.22) | 22.85 (3.59) | 24.19 (3.71) | 21.60 (4.08) |
| TBM (kg) | 2.84 (0.42) | 2.19 (0.34) | 3.07 (0.43) | 2.30 (0.29) |
| TFM (kg) | 19.10 (6.50) | 19.96 (6.30) | 17.89 (7.74) | 18.24 (7.20) |
| TLM (kg) | 50.43 (5.69) | 34.61 (3.91) | 52.17 (5.03) | 35.02 (4.58) |
| ASM (kg) | 22.63 (3.04) | 14.56 (2.00) | 24.32 (2.68) | 15.28 (2.33) |
| hSMI (kg/m2) | 7.81 (0.84) | 5.82 (0.69) | 8.04 (0.82) | 5.92 (0.80) |
| wSMI (%) | 31.47 (3.10) | 25.76 (2.95) | 33.65 (3.57) | 27.73 (2.92) |
Except for n, values are given as mean (standard deviation). n: sample size; TBM: total bone mass; TFM: total fat mass; TLM: total lean mass; ASM: appendicular skeletal muscle (sum of the lean masses of the four extremities); hSMI: height-adjusted skeletal muscle index; wSMI: weight-adjusted skeletal muscle index.