Table 4.
Results of different analysis criteria
| Quantitative analysis | First set of visual analysis | Second set of visual analysis | Combination of quantitative and second set of visual analysis | |
|---|---|---|---|---|
| TP | 9 | 11 | 11 | 8 |
| TN | 17 | 9 | 19 | 20 |
| FP | 5 | 14 | 3 | 2 |
| FN | 4 | 1 | 2 | 5 |
| Sensitivity | 69 % | 91 % | 85 % | 62 % |
| Specificity | 77 % | 39 % | 86 % | 91 % |
| PPV | 64 % | 44 % | 79 % | 80 % |
| NPV | 81 % | 90 % | 90 % | 80 % |
| Accuracy | 74 % | 57 % | 86 % | 80 % |
TP True positive, TN true negative, FP false positive, FN false negative, PPV positive predictive value, NPV negative predictive value