Table 5.
Mean and standard deviation (SD) of dynamic range in charge dB (re:1 nC) for six etiology groups at 6-months post-activation (6CI), and at chronological ages of 3 (Y3) and 5 years (Y5).
| Etiology | Dynamic range in charge dB (re:1 nC) | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| 6CI | Y3 | Y5 | ||||
| 1) Auditory nerve deficiency (n= 7) | ||||||
| Mean ±SD | 6.6 ± 1.2 | 6.6 ± 1.3 | 7.1 ± 2.8 | |||
| Range | 4.4–8.0 | 4.2–8.1 | 3.9–12.3 | |||
|
| ||||||
| 2) Cochlear lesions (n=10) | ||||||
| Mean ±SD | 8.5 ± 3.1 | 8.6 ± 4.0 | 8.5 ± 3.0 | |||
| Range | 3.3–13.7 | 4.2–18.6 | 4.2–14.7 | |||
|
| ||||||
| 3) LVAS (n=6) | ||||||
| Mean ±SD | 7.5 ± 2.7 | 6.8 ± 2.0 | 6.9 ± 2.5 | |||
| Range | 4.2–11.3 | 4.7–9.6 | 4.9–11.6 | |||
|
| ||||||
| 4) ANSD (n=18) | ||||||
| Mean ±SD | 7.0 ± 2.4 | 7.5 ± 2.5 | 8.2 ±2.5 | |||
| Range | 3.7–10.4 | 2.9–11.2 | 3.7–13.4 | |||
|
| ||||||
| 5) Additional disabilities (n=24) | ||||||
| Mean ±SD | 7.7 ± 1.5 | 7.9 ± 2.3 | 7.1 ± 2.7 | |||
| Range | 5.6–11.5 | 2.8–12.0 | 5.6–14.1 | |||
|
| ||||||
| 6) Other (n=65) | ||||||
| Mean ±SD | 6.6 ± 1.8 | 7.1 ± 2.2 | 7.4 ± 2.3 | |||
| Range | 2.7–11.9 | 3.0–13.7 | 2.7–12.9 | |||
Abbreviations: ANSD = auditory neuropathy spectrum disorder, LVAS = large vestibular aqueduct syndrome, ‘Other’ include XXXXXXX, n = number.