Table 3. Univariate Cox regression analysis of preoperative score model as well as Milan, UCSF and HangZhou criteria.

	P	Hazard Ratio	95% CI
Preoperative prognostic score = 0	—	—	—
Preoperative prognostic score = 1	0.023	2.912	1.161–7.305
Preoperative prognostic score = 2	<0.001	15.533	6.097–39.568
Preoperative prognostic score = 3	<0.001	48.715	13.974–169.825
Milan criteria	<0.001	8.528	3.035–23.960
UCSF criteria	<0.001	6.615	2.926–14.956
HangZhou criteria	<0.001	5.240	2.772–9.903