TLR4 and hearing loss disorder: TLR4+896 AG or GG alleles were associated with a significantly increased risk of hearing loss (p  = 0.001, OR 4.0, 95% CI 1.7–9.4) especially in MM patients (p  = 0.0004, OR 6.2 95% CI 2.0–19.5), but was not significant for PM patients.