SLC26A4 and sensorineural hearing loss disorder: In this study, 20.51% (24/117) of the nonsyndromic SNHL patients with an identified molecular etiology were diagnosed with homozygous or compound heterozygous mutations in SLC26A4. c.IVS7-2A>G was the most prevalent SLC26A4 mutation, accounting for 58.43% (52/89) of all mutations in this gene.