CASP9 and cancer: In the subgroup analysis by ethnicity, we found that the A allele and A allele carrier of Ex5+32 G>A in CASP-9 might decrease the risk of cancer in the Asian population (OR=0.60, 95% CI, 0.44–0.81, P<0.001; OR= 0.63, 95% CI, 0.44–0.90, P= 0.01; respectively).