Table 1.

Area under the receiver operating characteristic curve for each clinicopathological features

Feature	AUC (95 % CI)	P value
Age	0.540 (0.458–0.622)	0.338
Sex	0.524 (0.420–0.627)	0.636
Histological grade	0.704 (0.621–0.788)	0.000
Clinical Stage	0.769 (0.693–0.844)	0.000
pT status	0.758 (0.682–0.834)	0.000
pN status	0.721 (0.626–0.816)	0.001
pM status	0.619 (0.511–0.726)	0.039

AUC area under the curve, CI confidence interval