marginal significanceP < 0.1
Only five loci (rs2070744, rs1800896, rs1800629, rs1799724, and rs4762) showed a significant difference in genotype composition between patients with PE and controls (chi-square test, P < 0.05) and additional two (rs2549782 and rs7412) showed marginal significance ( P < 0.1 and P ≥ 0.05) (Tables 1 and 2 ).