TLR3 and Subdural Effusion: For TLR3 rs3775291, the minor allele T carriers (CT+TT) were associated with a decreased incidence of subdural effusion (OR = 0.578, 95%CI: 0.337–0.992, P = 0.046) and seizures (OR = 0.500, 95%CI: 0.279–0.