Table 3

Final models and results of 3-fold cross-validation analyses

Baseline modelBaseline model + DRCBaseline model + bleomycinBaseline model + DRC + bleomycin
Former smokers
 Overall AUC0.67 (0.63–0.71)0.69 (0.65–0.73)0.68 (0.64–0.72)0.70 (0.66–0.74)
 Cross-validation mean AUC (95% CI)0.68 (0.62–0.75)
P, goodness of fit0.610
Current smokers
 Overall AUC0.68 (0.64–0.72)0.69 (0.64–0.73)0.72 (0.68–0.77)0.73 (0.69–0.77)
 Cross-validation mean AUC (95% CI)0.70 (0.63–0.77)
P, goodness of fit0.433