Table 1: Baseline characteristics between the obesity group and the control group.

VariablesObesity group ( )Control group ( )P value

Age (years)67.2 ± 8.170.2 ± 8.10.013a
Gender: male/female40/20119/540.872b
Body mass index (kg/m2)  27.6 ± 2.621.3 ± 2.4<0.001a
HCC stage 
Stage I/II/III/IV7/40/11/212/45/97/190.407b
Type of hepatectomy
Anatomical
/nonanatomical
15/4563/1100.115b
Maximum tumor size (cm)3.6 ± 1.64.2 ± 2.50.087a
Tumor number, the single/multiple45/15117/560.331b
Child-Pugh classification
The Child-Pugh A/B54/6158/150.795b
Hepatitis C viral load
High/low/unknown39/11/10109/25/390.554b
IFN therapy after surgery: yes/no5/5511/1620.767b
AST (IU/L)70.7 ± 42.266.5 ± 49.20.561a
ALT (IU/L)65.6 ±49.7 59.3 ± 42.00.342a
Serum albumin (g/dL)3.7 ± 0.53.8 ± 0.50.555a
Total bilirubin (mg/dL)0.95 ± 0.470.82 ± 0.400.043a
Prothrombin time (%)87.1 ± 14.087.7 ± 13.40.756a
Platelets (×104/mm3)11.7 ± 5.013.4 ± 5.70.043a
ICGR 1517.6 ± 11.014.4 ± 9.10.027a
AFP (ng/mL)528.6 ± 1870.32422.7 ± 13113.30.267a
DCP (mAU/mL)1505.3 ± 4975.03789.9 ± 16524.20.293a
Total cholesterol (IU/L)170.7 ± 35.0161.7 ± 33.00.083a
Diabetes mellitus: yes/no19/4145/1280.405b

Data are expressed as number or mean ± standard deviation. HCC: hepatocellular carcinoma, IFN: interferon, AST: aspartate aminotransferase, ALT: alanine aminotransferase, ICGR 15: indocyanine green retention at 15 min, AFP: alpha-fetoprotein, DCP: des-γ-carboxy prothrombin, aunpaired t test, and bFisher,s exact test.