GSTP1 and chronic obstructive pulmonary disease: These findings are consistent with those of a previous meta-analysis published in 2010 that GSTP1 rs1695 is associated with increased COPD risk among Caucasians in the recessive model (OR = 1.59, PZ=0.001) but not among Asians (OR = 0.93, PZ = 0.64) (Zhong et al., 2010).