Results of overall and stratified analyses for the associations of <i>ERCC1</i> polymorphisms and risk of lung cancer^**.

CI, confidence interval; OR, odds ratio. The results were in bold, if the 95% CI excluded 1 or P<0.05. Phet value of Q-test for heterogeneity test; random-effects model was used when P<0.05 for heterogeneity test; otherwise, fixed-effects model was used. Significant results are listed in bold. **Study by Zienolddiny et al. was excluded for rs11615 analysis.