Excluding the 48, 3 and 11 patients who were confirmed to have acquired, syndromic auditory neuropathy, and CND-related auditory neuropathy, respectively, recessive OTOF mutations accounted for 12 (30.8%) of the remaining 39 patients with non-syndromic non-acquired auditory neuropathy. The gene discussed is OTOF; the disease is auditory neuropathy.