Table 4.

Multivariate predictors of overall mortality in the propensity‐matched sample

	Propensity‐matched sample (n = 616)
	HR	95% CI	P value
Radiation (vs untreated)	0.625	0.522‐0.749	<0.001
Tumor size 1‐3 cm (vs ≤1 cm)	1.138	0.344‐3.766	0.832
Tumor size 3‐5 cm (vs ≤1 cm)	1.363	0.426‐4.359	0.602
Tumor size >5 cm (vs ≤1 cm)	1.528	0.484‐4.817	0.47
Code 635 (vs Code 630)	1.006	0.813‐1.246	0.954
Code 660 (vs Code 630)	0.894	0.679‐1.178	0.427
TNM/T4 (vs T3)	0.894	0.679‐1.178	0.427
Lymph nodes N1 (vs N0)	1.153	0.916‐1.451	0.225
Lymph nodes Nx (vs N0)	1.188	0.867‐1.628	0.284
Distant metastasis M1 (vs M0)	1.852	1.508‐2.273	<0.001
AJCC Stage IV (vs III)	1.852	1.508‐2.273	<0.001
Grade moderately (vs Well)	1.275	0.863‐1.883	0.223
Grade poorly (vs Well)	1.407	0.925‐2.139	0.111
Grade undifferentiated/anaplastic (vs Well)	0.597	0.079‐4.523	0.618
AFP within normal limits (vs elevated)	0.671	0.504‐0.895	0.007
Fibrosis score 5‐6 (F1) (vs F0)	1.082	0.695‐1.686	0.727

AJCC, American Joint Committee on Cancer.