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)