Figure 5

Publication bias of GSTM1 and GSTT1 polymorphism and RCC risk.
(A) Begg’s publication bias of GSTM1 polymorphism and RCC risk (P = 0.322). (B) Egger’s publication bias of GSTM1 polymorphism and RCC risk (P = 0.536). (C) Begg’s publication bias of GSTT1 polymorphism and RCC risk (P = 0.138). (D) Egger’s publication bias of GSTT1 polymorphism and RCC risk (P = 0.490).