Figure 1.

Smooth ROC curve. Shaded area includes the 95% CI derived from the bootstrap, based on 2000 replications. Area under the curve 0.738 (95% CI: 0.686 to 0.791).

Smooth ROC curve. Shaded area includes the 95% CI derived from the bootstrap, based on 2000 replications. Area under the curve 0.738 (95% CI: 0.686 to 0.791).