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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