Genotype distribution of XRCC1 Arg194Trp polymorphism used in the meta-analysis.

HWE, Hardy-Weinberg equilibrium; MAF minor aller freqyency; Arg, the major allele; Trp, the minor allele.Genotype distribution of XRCC1 Arg194Trp polymorphism used in the meta-analysis.HWE（哈迪-温伯格平衡，Hardy-Weinberg equilibrium）；MAF（次要等位基因频率，原文原拼写为minor aller freqyency，存在笔误）；Arg为主要等位基因；Trp为次要等位基因。本荟萃分析所使用的XRCC1 Arg194Trp多态性的基因型分布情况。