Table 1.

Etiologies of auditory neuropathy of all patients.

	N = 101	(%)
Acquired, N = 48 (47.5%)
Prematurity	20	19.8
Kernicterus	5	5
Perinatal hypoxia	5	5
Prematurity + perinatal hypoxia	13	12.9
Prematurity + kernicterus	2	2
Kernicterus + perinatal hypoxia	2	2
Prematurity + kernicterus + perinatal hypoxia	1	1
Genetic, N = 16 (15.8%)
OTOF mutations	12	11.9
Mitochondrial 12S rRNA mutation	1	1
Autosomal dominant optic atrophy	1	1
Pelizaeus-Merzbacher disease	1	1
Wolfram syndrome	1	1
Cochlear nerve deficiency, N = 11 (10.9%)	11	10.9
Indefinite, N = 26 (25.7%)	26	25.7