Table 1.
Patient demographics.
| Child | Implanted ear | Etiology | Age at SSD onset (years) | Age at CI (years) | Duration of SSD (years) |
|---|---|---|---|---|---|
| Early-onset SSD group | |||||
| 1 | Left | cCMV | 0 | 1.0 | 1.0 |
| 2 | Left | IEM | 0 | 1.1 | 1.1 |
| 3 | Left | cCMV | 0 | 1.2 | 1.2 |
| 4 | Right | Unknown | 0 | 1.2 | 1.2 |
| 5 | Left | cCMV | 0 | 1.8 | 1.8 |
| 6 | Left | IEM | 0 | 2.1 | 2.1 |
| 7 | Left | cCMV | 0 | 2.6 | 2.6 |
| 8 | Left | cCMV | 0 | 3.2 | 3.2 |
| 9 | Right | Meningitis | 0.6 | 3.3 | 2.7 |
| 10 | Left | cCMV | 0 | 3.3 | 3.3 |
| 11 | Left | IEM | 0 | 3.4 | 3.4 |
| 12 | Right | cCMV | 0 | 4.2 | 4.2 |
| 13 | Right | cCMV, ear canal atresia in deaf ear | 0 | 5.9 | 5.9 |
| 14 | Left | cCMV | 3.0 | 3.6 | 0.6 |
| 15 | Right | cCMV | 4.9 | 6.1 | 1.2 |
| Mean ± s.d. | 0.6 ± 1.4 | 2.9 ± 1.6 | 2.4 ± 1.5 | ||
| Late-onset SSD group | |||||
| 16 | Left | SSNHL | 10.3 | 11.8 | 1.5 |
| 17 | Left | TB fracture | 10.8 | 12.2 | 1.4 |
| 18 | Left | SSNHL | 12.9 | 14.2 | 1.4 |
| 19 | Left | SSNHL | 13.3 | 14.5 | 1.2 |
| 20 | Right | Acoustic trauma | 13.3 | 14.7 | 1.5 |
| 21 | Left | TB fracture | 14.2 | 16.0 | 1.7 |
| 22 | Right | Acoustic trauma | 16.4 | 17.4 | 1.0 |
| Mean ± s.d. | 13.0 ± 2.1 | 14.4 ± 2.0 | 1.4 ± 0.3 | ||
SSD single-sided deafness, cCMV congenital cytomegalovirus, IEM inner ear malformation, SSNHL sudden sensorineural hearing loss, TB fracture temporal bone fracture.