Table 3.

AUC values for the training and verification groups

Variable	Training group(n = 664)		Validation group(n = 280)
	AUC	95%CI	AUC	95%CI
Age	0.674	0.644 to 0.704	0.640	0.581 to 0.697
Lymph	0.610	0.578 to 0.641	0.612	0.553 to 0.670
Marital	0.600	0.568 to 0.632	0.614	0.554 to 0.671
Sex	0.588	0.556 to 0.620	0.516	0.456 to 0.576
Tumor size	0.710	0.680 to 0.739	0.730	0.674 to 0.781
Nomogram	0.789	0.762 to 0.815	0.796	0.744 to 0.841