Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 21, 2011; 17(27): 3248-3256
Published online Jul 21, 2011. doi: 10.3748/wjg.v17.i27.3248
Table 4 Subgroup analysis of the association between GSTT1 polymorphism and hepatocellular carcinoma risk
GroupNo. of studies (cases/controls)Statistical methodOR (95% CI)P
All studies16 (2410/3669)Random1.510 (1.236-1.845)0.000
Residence area of the subjects
High-incidence area10 (1418/2489)Random1.641 (1.328-2.027)0.000
Low-incidence area5 (882/1068)Random1.152 (0.777-1.707)0.483
Mixed areas1 (110/112)-2.234 (1.305-3.825)0.003
Number of cases
< 1007 (502/949)Random1.617 (1.035-2.528)0.035
≥ 1009 (1908/2720)Random1.457 (1.173-1.810)0.001
Source of controls
Population-based9 (1484/1465)Random1.441 (1.039-1.997)0.028
Hospital-based7 (926/2204)Fixed1.635 (1.391-1.921)0.000