Figure 2

Forest plots of ORR in NSCLC patients treated with platinum-based chemotherapy by the GSTP1 IIe105Val polymorphism (IIe/Val + Val/Val vs. IIe/IIe). Odds ratios (ORs) (and its 95% confidence interval (CI)) of objective response rate (ORR) stratified by ethnicity for GSTP1 IIe105Val IIe/Val + Val/Val vs. IIe/IIe.