Table 3 Frailty cut-point for T-FRAIL_M1 with TFI as the reference standard
Frailty cut-points | Number of frail patients (%) | Sensitivity (%) | Specificity (%) | Youden’s Index (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|---|---|
≥ 1 | 189 (63.0%) | 94.2 | 57.8 | 52 | 59.8 | 93.7 |
≥ 2 | 131 (43.7%) | 83.3 | 82.8 | 66.1 | 76.3 | 88.2 |
≥ 3 | 69 (23.0%) | 53.3 | 97.2 | 50.5 | 92.8 | 75.8 |
≥ 4 | 26 (8.7%) | 20.8 | 99.4 | 20.2 | 96.2 | 65.3 |