Table 3.

Multivariable Cox regression analysis of predictors of ER in the development cohort.

	Hazard ratio (95% CI)	$\beta$ (95% CI)	$P$ value
DSFR signature	7.283 (3.207, 16.539)	1.985 (1.165, 2.806)	<0.0001
HBsAg
Negative	Ref	Ref
Positive	3.647 (1.310, 10.149)	1.294 (0.270, 2.317)	0.013
AFP, μg/L
<400	Ref	Ref
≥400	2.359 (1.455, 3.825)	0.858 (0.375, 1.342)	0.001
GGT	1.006 (1.004, 1.009)	0.006 (0.004, 0.009)	<0.0001

ER: early recurrence; CI: confidence interval; DSFR: deep semantic segmentation feature-based radiomics; HBsAg: hepatitis B surface antigen; Ref: reference; AFP: alpha-fetoprotein; GGT: gamma-glutamyl transferase.