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Table 3 The cutoff points of FRAIL-NH to classify three-class frailty (Non-frail vs 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

VUS (95% CI)

CCR1(%)

CCR2 (%)

CCR3 (%)

Youden Index

Three-class

0.08, 0.25

0, 4

0.68 (0.57–0.76)

80.0

66.1

66.1

0.58

0.10, 0.21

0, 4

0.62 (0.55–0.72)

65.0

67.9

60.7

0.56

0.20, 0.45

1, 9

0.76 (0.70–0.81)

70.9

64.3

88.2

0.69

  1. FI Frailty Index; VUS volume under the ROC surface; CI confidence interval; CCR correct classification rate
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BMC Geriatrics

ISSN: 1471-2318

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