Table 2.

Logistic regressive analysis of surgical approach

Factors	Univariate	Multivariate
	P value	Wals	Hazard ratios (95% CI)	P value
Age	0.185	1.162	0.411(0.066–2.541)	0.338
Max diameter	0.001	10.617	0.046(0.007–0.313)	0.002
Clinical diagnosis of malignant tumor	0.608
Elevated serum AFP level	0.303
Period	0.001	8.521	16.272(2.873–92.175)	0.002