Table 3 ROC analysis of artificial neural network output at different cutoff points in the testing set
Cutoff point | Sensitivity% | Specificity% | PPV% | NPV% | Youden Index% |
|---|---|---|---|---|---|
0.33 | 100.0 | 68.7 | 59.0 | 100.0 | 68.7 |
0.35 | 94.4 | 75.0 | 63.0 | 96.8 | 69.4 |
0.40 | 91.7 | 80.0 | 65.3 | 94.0 | 71.7 |
0.45 | 83.3 | 85.0 | 71.4 | 91.9 | 68.3 |
0.50 | 66.7 | 88.7 | 72.7 | 85.5 | 47.1 |
0.55 | 55.5 | 92.5 | 76.9 | 82.2 | 44.2 |
0.60 | 44.4 | 96.2 | 83.3 | 78.6 | 42.3 |
0.70 | 36.1 | 100.0 | 100.0 | 77.7 | 36.1 |