Table 1.

Sociodemographic characteristics of HCC cases and controls

VariableTotal subjects
PSubjects with available data on both biomarkers
P
Cases (n = 230) %Controls (n = 1,052) %Cases (n = 198) %Controls (n = 904) %
Mean age (y)*53.9 (7.8)53.7 (7.6)0.6853.8 (7.5)53.6 (7.4)0.95
BMI (mean ± SD)*24.4 (3.4)24.5 (3.6)0.7724.3 (3.6)24.3 (3.4)0.33
Gender, n (%)
Female46 (20.0)207 (19.7)0.9134 (17.2)150 (16.6)0.84
Male184 (80.0)845 (80.3)164 (82.8)754 (83.4)
HBsAg/anti-HCV, n (%)
−/−34 (15.0)676 (64.4)<0.000125 (12.9)581 (64.5)<0.0001
+/−143 (63.3)271 (25.8)131 (67.5)241 (26.7)
−/+39 (17.3)72 (6.9)28 (14.4)52 (5.8)
+/+10 (4.4)30 (2.9)10 (5.2)27 (3.0)
Smoking, n (%)
No115 (50.0)575 (54.7)0.2098 (49.5)477 (52.8)0.4
Yes115 (50.0)477 (45.3)100 (50.5)427 (47.2)
Alcohol, n (%)
No176 (77.2)872 (83.0)0.04151 (77.0)741 (82.1)0.01
Yes52 (22.8)179 (17.0)45 (23.0)162 (17.9)
  • NOTE: Anti-HCV data missing for seven subjects. Alcohol data missing for three subjects.

  • * P value for t test for continuous variable; all other P values for the χ2 test for categorical variables.