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Table 5 Sensitivity, specificity and Youden’s index in T-FRAIL_M2

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

 

Combination of SFQ Items

Sensitivity (%)

Specificity (%)

Youden’s index (%)

1, 2, 3; positive at least 1 item

83.3%

78.3%

61.6

1, 2, 4; positive at least 1 item

85.8%

80.6%

66.4

1, 2, 5; positive at least 1 item

90.8%

64.4%

55.2

1, 3, 4; positive at least 1 item

79.2%

80.6%

59.8

1, 3, 5; positive at least 1 item

85.8%

65.6%

51.4

1, 4, 5; positive at least 1 item

66.7%

71.7%

38.4

2, 3, 4; positive at least 1 item

84.2%

81.1%

65.3

2, 3, 5; positive at least 1 item

88.3%

64.4%

52.7

2, 4, 5; positive at least 1 item

89.2%

65.6%

54.8

3, 4, 5; positive at least 1 item

85.0%

67.8%

52.8

  1. Note: 1 represents “Fatigue”; 2 represents “Resistance”; 3 represents “Ambulation”; 4 represents “Illnesses”; 5 represents “Loss of Weight”
  2. Abbreviations: T-FRAIL_M2 modified T-FRAIL by the combination of three components with positive results if presence any feature from three parameters, SFQ Items The Simple Frailty Questionnaire items
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BMC Geriatrics

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