Table 3.

Sensitivity analyses of glioma and GST variants

GST genotype variantsExclusion of one study that did not recruit its own control group
Exclusion of one study with results that were outliers
No. studiesn (Ca/Co)Pooled OR (95% CI)No. studiesn (Ca/Co)Pooled OR (95% CI)
GSTM17*1,479/2,6091.08 (0.90-1.31)7*1,589/3,9290.98 (0.87-1.11)
GSTT161,424/2,4241.22 (0.94-1.58)61,534/3,0530.90 (0.70-1.15)
GSTP1 I105V41,227/1,8321.00 (0.60-1.65)41,337/3,3881.10 (0.66-1.82)
GSTP1 A114V2§874/1,0951.10 (0.85-1.42)31,015/1,7481.02 (0.80-1.30)