Pre-operative enhanced magnetic resonance imaging combined with clinical features predict early recurrence of hepatocellular carcinoma after radical resection

Table 5 External validation of the predictors for early recurrence of hepatocellular carcinoma patients after operation

Factors	Sensitivity	Specificity	Accuracy	AUC	P value	95%CI
Age (≤ 50 yr)	0.500	0.882	0.710	0.691	0.071	0.496, 0.886
MVI	0.643	0.941	0.806	0.792	0.006	0.619, 0.965
CNLC stage (II-III)	0.571	0.941	0.774	0.756	0.015	0.574, 0.939
Irregular shape	0.643	0.824	0.742	0.733	0.028	0.548, 0.919
Large vessel invasion	0.500	0.941	0.742	0.721	0.037	0.530, 0.911
Combined multi-factors	0.786	0.941	0.871	0.861	0.001	0.717, 1.000

AUC: Area under the curve; 95%CI: 95% confidence interval; CNLC: China liver cancer; MVI: Microvascular invasion.