Meta-analysis of the associations between <i>TLR-4</i> genetic polymorphisms and colorectal cancer risk.

Legend: W - wild allele; M - mutant allele; WW - wild homozygote; WM - heterozygote; MM - mutant homozygote; OR - odds ratio; 95%CI - 95% confidence interval; SNP - single nucleotide polymorphism; PCR-RFLP - polymerase chain reaction-restriction fragment length polymorphism.图例：W：野生型等位基因（wild allele）；M：突变型等位基因（mutant allele）；WW：野生型纯合子（wild homozygote）；WM：杂合子（heterozygote）；MM：突变型纯合子（mutant homozygote）；OR：比值比（odds ratio）；95%CI：95%置信区间（95% confidence interval）；SNP：单核苷酸多态性（single nucleotide polymorphism）；PCR-RFLP：聚合酶链反应-限制性片段长度多态性（polymerase chain reaction-restriction fragment length polymorphism）。