Table 5.
Results of the patient data set and validation set presented with c-statistics (AUC)
| Parameters | Patient data set | Validation set |
|---|---|---|
| AUC (95% CI) | ||
| Predictive probabilities | 0.921 (0.839, 1.000) | 0.903 (0.076, 0.754) |
| Summative scores | 0.916 (0.838, 0.995) | 0.944 (0.047, 0.852) |
|
| ||
| Diagnostic accuracies of summative score ≥6 | ||
| Sensitivity (95% CI) | 0.952 (0.762, 0.999) | 0.875 (0.473, 0.997) |
| Specificity (95% CI) | 0.714 (0.478, 0.887) | 0.889 (0.518, 0.997) |
| LR (+)ve | 3.330 (1.680, 6.600) | 7.880 (1.220, 50.900) |
| PPV (95% CI) | 0.769 (0.564, 0.910) | 0.875 (0.473, 0.997) |
| NPV (95% CI) | 0.938 (0.698, 0.998) | 0.889 (0.518, 0.997) |
AUC, area under the curve; CI, confidence interval; LR (+)ve, positive likelihood ratio; PPV, positive predictive value; NPV, negative predictive value.