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Table 5 Prevalence, sensitivity and specificity of the acceptable BIA equations to determine sarcopenia

From: Two-megahertz impedance index prediction equation for appendicular lean mass in Korean older people

Equations Overall Agreement
N (%)
Cohen’s Kappa Sensitivity Specificity PPV NPV
BIA@2 MHz 185(94.9) 0.779* 71.4 98.8 91.3 95.3
BIAVermeiren 108(55.4) 0.216* 100.0 47.3 25.6 100.0
BIAPeniche 143(73.3) 0.300* 70.0 73.9 32.8 93.1
  1. AWGS Cut-off of ASMI: Female < 5.4 kg·m−2, Male < 7.0 kg·m−2, Agreement is poor if k < 0.00, slight if 0.00 < k < 0.20, fair if 0.21 < k < 0.40, moderate if 0.41 < k < 0.60, substantial if 0.61 < k < 0.80, and almost perfect if k > 0.80; * P < 0.001