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Table 8 The screening ability analysis of PhA and MNA-SF single or combined detection for severe sarcopenia

From: Screening efficacy of PhA and MNA-SF in different stages of sarcopenia in the older adults in community

Diagnostic methods

AUC (95%CI)

Cutoff value

Sensitivity (95%CI)

Specificity (95%CI)

Z

P

Pha

0.935 (0.879,0.970)

4.1

93.33 (68.1,99.8)

92.50 (86.2,96.5)

2.318a

0.020

MNA-SF

0.776 (0.696,0.843)

13

86.67 (59.5,98.3)

65.00 (55.8,73.5)

2.730b

0.006

Combined detection

0.943 (0.890,0.976)

0.170

86.67 (59.5,98.3)

93.33 (87.3,97.1)

0.722c

0.470

  1. aThe comparison of ROC area between PhA and MNA-SF; bThe comparison of ROC area between MNA-SF and combined detection, cThe comparison of ROC area between PhA and combined detection