Table 5.
The sensitivity, specificity, positive predictive value, negative predictive value, positive likelihood ratio, and negative likelihood ratio of the screening frailty tool.
| Screening frailty tool | Sensitivity∗ (95% CI) | Specificity∗ (95% CI) | PPV∗ (95% CI) | NPV∗ (95% CI) | LR+∗ (95% CI) | LR-∗ (95% CI) |
|---|---|---|---|---|---|---|
| Clinical Frailty Scale | 56.00 (34.93–75.60) | 98.41 (95.43–99.67) | 82.35 (59.03–93.79) | 94.42 (91.57–96.34) | 35.28 (10.89–114.26) | 0.45 (0.29–0.70) |
| Simple FRAIL questionnaire | 88 (68.78–97.45) | 85.71 (79.90–90.37) | 44.90 (35.83–54.32) | 98.18 (94.91–99.36) | 6.61 (4.22–8.99) | 0.14 (0.05–0.41) |
| PRISMA-7 | 76 (54.87–90.64) | 86.24 (80.50–90.81) | 42.22 (32.45–52.64) | 96.45 (93.10–98.20) | 5.52 (3.63–8.40) | 0.28 (0.14–0.56) |
| Time Up and Go Test | 72 (50.61–87.93) | 82.54 (76.36–87.67) | 35.29 (26.88–44.74) | 95.71 (92.22–97.67) | 4.12 (2.78–6.12) | 0.34 (0.18–0.64) |
| Gérontopôle Frailty Screening Tool | 88 (68.78–97.45) | 83.6 (77.53–88.58) | 41.51 (33.27–50.25) | 98.14 (94.79–99.35) | 5.37 (3.77–7.64) | 0.14 (0.05–0.42) |
PPV: positive predictive value; NPV: negative predictive value; LR: likelihood ratio.
∗
Compared with Fried phenotype (CHS criteria) as a reference standard.