FAS and autoimmune disease: The results showed that the overall OR changed only under the dominant model (P=0.051 vs. 0.004) after excluding the HWE-deviating studies, but the association between the FAS −670 A/G polymorphism and autoimmune diseases risk was not qualitatively altered under the heterozygous model (P=0.038 vs. 0.006), illustrating that the meta-analysis results were stable.