IL6 and cervical cancer: When stratified by country of origin, there was a significant association between IL-6 rs1800795 polymorphism and cervical cancer risk among Chinese women (C vs. G: OR = 1.422, 95% CI 1.025-1.971, p= 0.035; CC vs. GG: OR = 1.851, 95% CI 1.377-2.488, p≤0.001; and CC vs. CG+GG: OR = 1.641, 95% CI 1.251-2.151, p≤0.001), but not among Brazilian women (Table 2).