Table 2.

Areas under the receiver operating characteristic curves (AUCs) for the 5 training and test sets of the 2 cohorts.

Training-Testing set	2.5-year prediction		6.5-year prediction
	Performance on the training set, AUC (95% CI)	Performance on test set, AUC	Performance on training set, AUC (95% CI)	Performance on test set, AUC
Training1-Testing1	0.77 (0.69-0.84)	0.82	0.77 (0.70-0.831)	0.73
Training2-Testing2	0.77 (0.68-0.84)	0.80	0.76 (0.69-0.83)	0.76
Training3-Testing3	0.73 (0.63-0.81)	0.84	0.74 (0.66-0.80)	0.91
Training4-Testing4	0.81 (0.73-0.88)	0.84	0.81 (0.74-0.87)	0.71
Training5-Testing5	0.78 (0.69-0.85)	0.82	0.74 (0.67-0.81)	0.79
Mean	0.77	0.83	0.76	0.78