Modified preoperative score to predict disease-free survival for hepatocellular carcinoma patients with surgical resections

Table 3 Point values for risk groups according to the Cox regression model

Predictor variables	Regression coefficients (β)	Categories	Reference value (W)	Β (W-WREF)	Points = β (W-WREF)/constant B
Platelet count (103/μL)	0.4039	< 100000	1	0.4039	2
		≥ 100000	0 (WREF)	0	0
Albumin (g/dL)	0.3805	< 3.5	1	0.3805	1
		≥ 3.5	0 (WREF)	0	0
ICG (%)	0.2544	≤ 10	0 (WREF)	0	0
		> 10	1	0.25441	1
Multiplicity	0.5274	Solitary	0 (WREF)	0	0
		Multiple	1	0.5274	2
Radiologic TTV (cm3)	0.5558	≤ 32.0	0 (WREF)	0	0
		> 32.0	1	0.5558	2

¹Base constant (constant B).

ICG: Indocyanine green; TTV: Total tumor volume.