Table 4.

Multivariate analysis of prognostic factors associated with 5-year overall survival of 82 patients with large hepatocellular carcinoma who underwent hepatic resection

Variables	RR	95% CI	P value
AFP	1.302	0.708–2.397	0.396
Tumor capsule	1.154	0.591–2.254	0.675
Grade of differentiation	2.515	0.716–8.832	0.150
Spontaneous tumor rupture	2.659	1.118–6.325	0.027
Tumor recurrence	7.540	3.054–18.617	0.000

RR, risk ratio; CI, confidence interval; AFP, α-fetoprotein.