Basic clinical data of all subjects with unilateral cochlear nerve deficiency (aplasia and hypoplasia)
| Case | Age (yr) | Sex | Cochlear Nerve Deficiency | Hearing Threshold (PTA) dB HL | ||
|---|---|---|---|---|---|---|
| Right | Left | Right | Left | |||
| 1 | 12 | M | Aplasia | Normal | 100 | 10 |
| 2 | 10 | F | Aplasia | Normal | >100 | 20 |
| 3 | 8 | F | Aplasia | Normal | >100 | 10 |
| 4 | 9 | F | Aplasia | Normal | >110 | 15 |
| 5 | 14 | F | Hypoplasia | Normal | 100 | 5 |
| 6 | 8 | M | Hypoplasia | Normal | >110 | 10 |
| 7 | 12 | M | Normal | Aplasia | 5 | >110 |
| 8 | 25 | F | Aplasia | Normal | 100 | 10 |
| 9 | 9 | M | Normal | Aplasia | 10 | >110 |
| 10 | 11 | M | Normal | Aplasia | 10 | >110 |
| 11 | 29 | M | Normal | Aplasia | 15 | >110 |
| 12 | 9 | F | Hypoplasia | Normal | 90 | 10 |
Note:—PTA indicates pure tone average; HL, hearing level.