Gamma-glutamyl transferase-to-lymphocyte ratio as a prognostic marker in patients with hepatocellular carcinoma undergoing hepatectomy

Table 2 Proportional hazards assumption test for different factors

Variables	χ2	P value
Sex	7.476	0.006a
Age (year)	0.001	0.970
BMI (kg/m2)	0.035	0.852
Monocytes (109/L)	0.515	0.473
WBC (109/L)	0.279	0.597
RDW	0.006	0.939
PT (second)	0.443	0.505
ALT (U/L)	0.710	0.399
AST (U/L)	0.469	0.493
ALB (g/L)	0.634	0.426
ALP (U/L)	2.389	0.122
TBIL (μmol/L)	1.391	0.238
DBIL (μmol/L)	0.283	0.595
Child-Pugh grade	0.100	0.751
NLR	0.020	0.887
PLR	1.388	0.239
GLR	11.335	< 0.001a
AFP (μg/L)	0.144	0.704
MVI	8.482	0.004a
Tumor count	0.096	0.757
Tumor diameter (cm)	1.464	0.226
HBsAg	0.097	0.756
Ascites	0.915	0.339
Postoperative TACE	1.314	0.252
Degree of differentiation	11.451	< 0.001a

^aP < 0.05 is indicative of a violation of the proportional hazards assumption.

ALB: Albumin; ALP: Alkaline phosphatase; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; BMI: Body mass index; DBIL: Direct bilirubin; GLR: Gamma-glutamyl transferase-to-lymphocyte ratio; HBsAg: Hepatitis B surface antigen; NLR: Neutrophil-to-lymphocyte ratio; PLR: Platelet-to-lymphocyte ratio; PT: Prothrombin time; RDW: Red cell distribution width; TACE: Transarterial chemoembolization; TBIL: Total bilirubin.