Postnatal factors | No. of patients | Percentage | |
Viral infection | - | - | |
Infection and ototoxic drug history | 4 | 40 | 80 |
Infection with ototoxic drug history and hyperbilirubenemia | 2 | 20 | |
Hyperbilirubenemia requiring phototherapy | 2 | 20 | |
Delayed milestones + ototoxic drug history | 2 | 20 | |
Total | 10 | 100 |