Construction and validation of a prognostic prediction model based on albumin-bilirubin grade after resection of hepatocellular carcinoma

Table 4 Multivariate regression analysis of recurrence-free survival in patients after hepatocellular carcinoma resection

Variables	β	SE	Wald	P value	HR (95%CI)
Sex	0.291	0.202	2.080	0.149	1.338 (0.901-1.998)
Age	0.017	0.008	4.364	0.037	1.017 (1.001-1.033)
History of liver cirrhosis	0.197	0.152	1.667	0.197	1.217 (0.903-1.640)
Tumor size	0.232	0.077	9.098	0.003	1.261 (1.085-1.466)
Tumor number	0.410	0.158	6.743	0.009	1.507 (1.106-2.054)
Vascular invasion	0.285	0.168	2.893	0.089	1.330 (0.957-1.849)
Degree of differentiation	0.215	0.121	3.140	0.076	1.240 (0.977-1.572)
AFP	0.003	0.001	10.745	0.001	1.003 (1.001-1.005)
Albumin	0.037	0.022	2.673	0.102	1.037 (0.993-1.084)
ALBI grade	0.796	0.277	8.276	0.004	2.216 (1.289-3.812)

HR: Hazard ratio; CI: Confidence interval; AFP: Preoperative alpha-fetoprotein; ALBI: Albumin-bilirubin.