Table 3. Comparison of predictive accuracy of DSS for G-R staging system, single independent factor and the 7th AJCC staging system in each time points.

Time points	G-R staging system		mLNR stage		AJCC staging system
	AUC	95%CI	AUC	95%CI	AUC	95%CI	*
1-Year	0.635	0.592 to 0.679	0.623	0.579 to 0.666	0.603	0.559 to 0.647	0.282
3-Year	0.701	0.668 to 0.735	0.685	0.651 to 0.720	0.619	0.583 to 0.656	0.001
5-Year	0.699	0.661 to 0.738	0.683	0.644 to 0.721	0.619	0.575 to 0.662	0.007

* :The p value in the AUC were the G-R staging model compared with AJCC staging system.

Abbreviations: DSS, disease special survival; AUC, Area Under the ROC Curve; AJCC, American Joint Committee on Cancer.