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Table 2 The cutoff points of FRAIL-NH to classify two-class frailty (Non-frail + Pre-frail vs Frail) based on FI

From: Accessing the discriminatory performance of FRAIL-NH in two-class and three-class frailty and examining its agreement with the frailty index among nursing home residents in mainland China

Frailty class

FI

FRAIL-NH

Cutoff points

Cutoff points

AUC (95% CI)

Sensitivity (%)

Specificity (%)

Youden Index

 

0.25

4

0.87 (0.84–0.91)

66.1

90.2

0.56

Two-class

0.21

2

0.86 (0.82–0.90)

87.6

66.3

0.54

 

0.45

8

0.93 (0.89–0.97)

94.1

82.8

0.77

  1. FI Frailty Index; CI confidence interval; AUC the area under the curve