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Table 4 Sensitivity, specificity, and Youden’s index of each original T-FRAIL item

From: Validity and reliability of the Thai version of the simple frailty questionnaire (T-FRAIL) with modifications to improve its diagnostic properties in the preoperative setting

 

TFI

SFQ Items

Robust (n = 180)

FRAIL (n = 120)

Sensitivity

Specificity

Youden’s index

Fatigue

11 (6.1%)

33 (27.5%)

27.5%

93.9%

21.4

Resistance

22 (12.2%)

87 (72.5%)

72.5%

87.8%

60.3

Ambulation

20 (11.1%)

82 (68.3%)

68.3%

88.9%

57.2%

Illnesses

4 (2.2%)

18 (15.0%)

15.0%

97.8%

12.8%

Loss of weight

43 (23.9%)

50 (41.7%)

41.7%

76.1%

17.8

  1. Abbreviations: T- FRAIL The Thai version of the Simple Frailty Questionnaire, TFI The Thai Frailty Index, SFQ Items The Simple Frailty Questionnaire items