Table 1.
Reference values for the classification of sarcopenia from a sex-matched, healthy Korean population aged between 18 and 39 years
| Variable | No. (%) | Bioelectrical impedance analysis |
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|---|---|---|---|---|---|---|
| BMI, kg/m2 | BMR, kcal | PBF, % | SMI, kg/m2 | SMI, % | ||
| Male (18≤ age ≤ 39) | 2,959 (51.7) | 24.90 ± 3.71 | 1,400.58 ± 207.49 | 22.90 ± 6.24 | 10.74 ± 1.04 | 43.53 ± 3.55 |
| Sarcopenia class I | 36.43 ≤ & < 39.98 | |||||
| Sarcopenia class II | < 36.43 | |||||
| Female (18 ≤ age ≤ 39) | 2,764 (48.3) | 21.84 ± 3.40 | 1,403.87 ± 206.71 | 29.56 ± 5.94 | 8.22 ± 0.86 | 37.99 ± 3.19 |
| Sarcopenia class I | 31.61 ≤ & < 34.80 | |||||
| Sarcopenia class II | < 31.61 | |||||
Values are presented as mean ± SD.
BMI, body mass index; BMR, basal metabolic rate; PBF, percentage of body fat; SMI (kg/m2), height adjusted skeletal muscle mass index; SMI (%), weight adjusted skeletal muscle mass index.