Table 1.
Participant Demographics
| Participant | Etiology | Age at Testing (Yrs-Mo) | Duration of Implant Use (Yrs-Mo) | Ear | Time Since Onset of Hearing Loss (Yrs) | Pure-Tone Threshold (dB HL) in the Unimplant Ear
|
Manufacturer | Implant | Processor | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 250 Hz | 500 Hz | 1000 Hz | |||||||||
| 1 | Unknown | 75-10 | 0-9 | Right | 36 | 20 | 60 | 100 | Cochlear | CI 24RE | CP810 |
| 2 | Unknown; per participant report sinusitis | 77-4 | 1-4 | Right | 32 | 65 | 65 | 80 | AB | HR90K | Harmony |
| 3 | Unknown | 70-0 | 0-10 | Left | 26 | 15 | 15 | 40 | Cochlear | N512 | CP810 |
| 4 | Unknown | 65-6 | 1-8 | Left | 32 | 25 | 50 | 65 | Cochlear | Hybrid 24L | Hybrid Freedom |
| 5 | Unknown; perhaps antibiotics | 76-2 | 8-1 | Left | 43 | 55 | 60 | 95 | Cochlear | CI 24R (CS) | CP810 |
| 6 | Ménière’s | 78-6 | 0-6 | Right | 16 | 10 | 25 | 55 | Cochlear | N512 | CP810 |
| 7 | NIHL-military | 70-0 | 7-11 | Left | Unknown | 20 | 20 | 20 | Cochlear | CI 24RE (CA) | Freedom |
| 8 | Unknown; possible vestibular schwannoma AS (side with NH) | 64-8 | 2-3 | Right | 3 | 15 | 15 | 25 | Cochlear | N512 | CP810 |
| 9 | Ménière’s, gentamicin | 31-10 | 2 days | Right | 5 | 50 | 45 | 55 | Advanced Bionics | HR90K | Naida CIQ70 |
| 10 | Unknown; perhaps antibiotics | 37-2 | 0-9 | Left | 20 | 15 | 10 | 5 | Cochlear | CI 24RE (CA) | CP810 |
| 11 | Unknown | 76-6 | 0-3 | Left | 26 | 35 | 50 | 55 | Cochlear | N512 | CP810 |
| 12 | SSNHL-AD-viral; positive Fam. Hx | 82-8 | 0-7 | Right | 13 | 30 | 35 | 40 | Cochlear | N513 (straight) | CP810 |
| 13 | Unknown; positive Fam. Hx | 27-6 | 1-0 | Right | 26 | 65 | 80 | 95 | Cochlear | CI 24 R (ST) Hybrid | Hybrid Freedom |
| 14 | Unknown | 64-8 | 0-7 | Left | 11 | 35 | 30 | 45 | AB | HR90K | Harmony |
| 15 | NIHL-military | 64-4 | 1-2 | Right | 12 | 35 | 40 | 85 | AB | HR90K | Harmony |
| 16 | NIHL-loud machinery/music; chronic otitis media | 45-8 | 4-9 | Right | 11 | 105 | 95 | 80 | Cochlear | CI 24R (CA) | Freedom |
Notes: AD = right ear; AS = left ear; Fam. Hx = family history; NH = normal hearing; NIHL = noise-induced hearing loss; SSNHL = sensorineural hearing loss.