Table 3.

Univariate and multivariate analyses of the relationship of risk factors and OS

Risk factor	Univariate			Multivariate
HR	95% CI	P	HR	95% CI	P
Sex (male/female)	0.881	0.703–1.104	0.272
Age (≤55/>55 years)	0.992	0.927–1.051	0.785
Tumor diameter (≤5/>5 cm)	1.917	1.908–1.926	0.005	1.884	1.872–1.896	0.000
Number of tumors (1/≥2)	1.001	0.991–1.10	0.991
Child–Pugh grade	1.154	1.090–1.222	0.000	1.279	1.202–1.361	0.000
AFP: ≤400/>400 ng/mL	1.548	1.412–1.697	0.065
Liver cirrhosis (presence/absence)	1.864	1.805–1.98	0.014
Portal vein thrombosis (yes/no)	1.509	1.465–1.557	0.001	1.734	1.652–1.826	0.000
LMR (≤2.13/>2.13)	1.123	1.104–1.142	0.000	1.155	1.133–1.178	0.000
PLR (≤95.65/>95.65)	1.003	1.002–1.003	0.001	1.006	1.005–1.006	0.000