Table 5 Comparison of predictive performance
From: Comparison of predictive models for hepatitis C co-infection among HIV patients in Cambodia
| Â | Logistic regression | CART | Spiegelhalter-Knill-Jones |
|---|---|---|---|
log-likelihood | -201.3 | -267.8 | -209.6 |
Area under ROC curve | 74.6% | 73.4% | 81.9% |
Porportion of HCV | 7.8% | 28.8% | 12.1% |
co-infections missed | Â | Â | Â |
Sensitivity | 92.2% | 71.2% | 87.9% |
Specificity | 22.1% | 73.3% | 50.5% |
Positive predictive value | 4.1% | 8.7% | 5.9% |
Negative predictive value | 98.7% | 98.6% | 99.2% |
Proportion for whom | 98.2% | 31.0% | 30.4% |
HCV testing is needed | Â | Â | Â |