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Optimal calf circumference cut-offs for screening low muscle mass
| Optimal calf circumference cut-off (cm) | Sensitivity (%) | Specificity (%) | |
|---|---|---|---|
| • All older adults (n = 6,404) | |||
| Men (n = 1445) | < 34 | 85.4 | 70.2 |
| Women (n = 4959) | < 33 | 87.1 | 60.5 |
| • Obese older adults (n = 1,995) | |||
| Men (n = 583) | < 34 | 94.2 | 34.5 |
| < 35 | 88.7 | 55.2 | |
| Women (n = 1412) | < 33 | 89.5 | 33.6 |
| < 34 | 80.6 | 54.0 | |
| • Older adult aged ≥ 75 years (n = 1412) | |||
| Men (n = 387) | < 34 | 75.6 | 87.0 |
| Women (n = 198) | < 33 | 84.6 | 74.9 |
