Evaluation of transarterial chemoembolization combined with percutaneous ethanol ablation for large hepatocellular carcinoma

Table 4 Significant factors predicting survival found using Cox proportional hazards model

Variables	Hazard ratio	P value
No. of lesions
Multiple vs single solitary lesions	2.626	0.001
Tumor margin
Not clear vs clear	2.439	0.000
Total ethanol dose
30-60 mL vs 10-30 mL	0.386	0.000
60-90 mL vs 10-30 mL	0.202	0.000
> 90 mL vs 10-30 mL	0.116	0.000