Table 3.

Receiver operating characteristic parameters

Parameters	AUC	95%CI	P value	Sensitivity (%)	Specificity (%)	Cut-off
Tumor size	0.710	0.591-0.829	0.002	42.42	95.56	< 1.158
Differentiation	0.773	0.665-0.881	0.001	77.36	68.00	< 1.363
TNM staging	0.788	0.687-0.889	< 0.001	47.06	96.30	> 1.393

AUC: Area under the curve.