Table 4.
Cutoff (probability) (probability) | PPV (%) | NPV (%) | Sensitivity (%) | Specificity (%) | Youden index |
---|---|---|---|---|---|
0.5 | 65 | 64 | 80 | 44 | 24.6 |
0.55 | 69 | 52 | 48 | 73 | 21 |
0.6 | 72 | 48 | 28 | 86 | 14.1 |
0.65 | 70 | 46 | 18 | 90 | 8.4 |
0.7 | 72 | 45 | 11 | 95 | 5.3 |
Optimum cut-off point based on maximum value of the J index is presented in bold.