Table 2.

ROC Parameters

	AUC	95% CI	Sensitivity	Specificity	Cutoff
Tumor size	0.775	0.689–0.863	77.78%	74.19%	>0.71
AFP	0.835	0.763–0.907	71.05%	85.00%	<0.71
TNM stage	0.786	0.704–0.868	86.96%	59.58%	<0.80
Differentiation	0.842	0.770–0.915	58.44%	94.87%	>0.75
LN metastasis	0.840	0.770–0.911	62.75%	92.31%	>0.80

Abbreviations: AFP, alpha-fetoprotein; AUC, area under the ROC curve; CI, confidence interval; LN, lymph node; ROC, receiver operator characteristics; TNM, tumor, nodes and metastasis.