Table 2. Multivariate Cox regression analysis of overall survival in hepatocellular carcinoma patients.

Variables	OS
	HR	95% CI	P
No. of tumor nodules	2.114	1.113-3.815	0.044*
Tumor size	2.231	1.109-4.275	0.032*
Venous infiltration	2.327	1.206-4.712	0.019*
Edmondson-Steiner grading	1.814	1.121-2.973	0.041*
TNM tumor stage	2.362	1.157-4.213	0.026*
miR-526b expression	0.255	0.082-0.076	0.021*

TNM, tumor-node-metastasis; HR, hazard ratio; CI, confidence interval. ^*Statistically significant.