Table 4 Performance of full variable model against the null models using over 10-fold cross validation repeated 50 times to predict virological failure
Model | Goodness-of-fit [avg (st.dev)] with respect to failure | |||
|---|---|---|---|---|
Area under roc | Accuracy | Sensitivity | Specificity | |
Majority class (null model) | 0.50 (0.00) | 66.07 (2.79) | 0.00 (0.00) | 1.00 (0.00) |
LR on all variables with AIC stepwise | 0.62 (0.14) | 66.79 (10.10) | 0.37 (0.20) | 0.82 (0.12) |
LR on all variables with boost stepwise | 0.64 (0.14) | 67.77 (9.82) | 0.39 (0.20) | 0.83 (0.11) |
Random Forest on all variables | 0.59 (0.15) | 67.80 (9.11) | 0.28 (0.19) | 0.88 (0.10) |
Decision tree on all variables | 0.55 (0.12) | 65.72 (8.46) | 0.21 (0.21) | 0.89 (0.13) |