TNFSF11 and rheumatoid arthritis: Additionally, the meta-analysis revealed significant associations between the susceptibility to RA and the RANKL rs9533156 C allele (OR = 0.609, 95% CI = 0.520–0.714, P < 0.010) as well as the rs2277438 G allele (OR = 1.206, 95% CI = 1.003–1.451, P = 0.047).