Pooled Analysis of the Association between GSTT1 polymorphism and RCC risk.

Abbreviations: R, Random-effects model; F, Fixed-effects model; Ph, test for heterogeneity. European*: two studies [23], [32] were omitted because of low quality.缩略语对照表：R为随机效应模型（Random-effects model）；F为固定效应模型（Fixed-effects model）；Ph为异质性检验（test for heterogeneity）。标注星号的欧洲组研究：因质量欠佳，剔除了[23]、[32]两项研究。