Table 2 Calculated sensitivities, specificities, predictive values and the Youden index at different cut-off values
From: TIMP-2/IGFBP7 predicts acute kidney injury in out-of-hospital cardiac arrest survivors
Cut-off value | Sensitivity | Specificity | Youden index | PPV | NPV |
|---|---|---|---|---|---|
0.10 | 100.0 | 52.9 | 52.9 | 79.5 | 100.0 |
0.20 | 96.8 | 88.2 | 85.0 | 93.8 | 93.8 |
0.24 | 96.8 | 94.1 | 90.9 | 96.8 | 94.1 |
0.30 | 71.0 | 94.1 | 65.1 | 95.7 | 64.0 |
0.40 | 67.7 | 94.1 | 61.9 | 95.5 | 61.5 |
0.50 | 54.8 | 94.1 | 49.0 | 94.4 | 53.3 |
0.60 | 45.2 | 94.1 | 39.3 | 93.3 | 48.5 |