Table 3.

Receiver operating characteristic parameters

Factors	HCC diagnosis	Tumor size	TNM stage	Lymph node metastasis	Differentiation	AFP
AUC	0.933	0.726	0.743	0.752	0.777	0.738
SD	0.026	0.060	0.059	0.055	0.051	0.054
95%CI	0.882-0.983	0.608-0.845	0.628-0.858	0.645-0.859	0.678-0.876	0.632-0.844
P value	< 0.001	0.001	< 0.001	< 0.001	< 0.001	0.001
Specificity	87.50%	95.56%	48.48%	88.10%	92.59%	100.00%
Sensitivity	90.00%	48.57%	93.62%	52.63%	52.83%	45.45%
Youden index	77.50%	44.13%	42.10%	40.73%	45.42%	45.45%
Cut-off	< 2.672	< 2.916	> 2.919	< 3.057	< 3.148	< 3.057

AUC: Area under curve; HCC: Hepatocellular carcinoma; AFP: Alpha fetoprotein.