Table 1.
Cochlear implant subject demographics. Duration of CI use is included in duration of hearing loss.
| Subject ID | Age at testing (yrs) | (a) Duration of hearing loss (yrs) | Duration of CI use (yrs) | Etiology | Implant type | CNC word | CNC phoneme | Speech processing strategy |
|---|---|---|---|---|---|---|---|---|
| CI 1 | 73 | 25 | 7 | Unknown | HiRes90K | 72 | 88 | HiRes |
| CI 2 | 83 | 35 | 6 | Unknown | HiRes90K | 59 | 77 | Fid.120 |
| CI 3 | 25 | 20 | 10 | (b) EVA syndrome | Freedom (Bi) | 90 | 94 | ACE |
| CI 4 | 70 | 20 | 9 | Genetic | Freedom | 74 | 89 | ACE |
| CI 5 | 57 | 57 | 9 | Connexin 26 | Combi40+ (Bi) | 36 | 60 | CIS |
| CI 6 | 74 | 40 | 13 | Genetic | HiRes90K (Bi) | 32 | 32 | Fid.120 |
| CI 7 | 49 | 30 | 3 | Genetic | HiRes90K | 24 | 45 | Fid.120 |
| CI 8 | 65 | 35 | 3 | Unknown | Nucleus 5 | 96 | 99 | ACE |
| CI 9 | 68 | 7 | 5 | Genetic | Freedom | 82 | 89 | ACE |
| CI10 | 50 | 50 | 20 | Hereditary | HiRes90K (Bi) | 84 | 92 | Fid.120 |
| CI11 | 43 | 29 | 2 | Genetic | Freedom (Bi) | 94 | 98 | ACE |
| CI12 | 50 | 46 | 1 | Genetic | Freedom | 24 | 39 | ACE |
| CI13 | 40 | 40 | 0.8 | Unknown | Flex28 | 40 | 63 | FSP |
| CI14 | 69 | 35 | 7 | Unknown | HiRes90K | 94 | 98 | Fid.120 |
| CI15 | 50 | 17 | 5 | Unknown | HiRes90K (Bi) | 70 | 83 | Fid.120 |
| CI16 | 53 | 20 | 2 | Unknown | Nucleus 5 | 97 | 99 | ACE |
| CI17 | 67 | 50 | 2 | Unknown | Nucleus 24 (Bi) | 88 | 96 | ACE |
| CI18 | 78 | 20 | 5 | Genetic | Freedom | 78 | 87 | ACE |
| CI19 | 68 | 3 | 0.6 | Genetic | Flex28 | 80 | 89 | FSP |
(a)
Duration of severe to profound hearing loss is based on subjects’ self-report of the number of years they were unable to understand people on the telephone prior to implantation.
(b)
EVA: Enlarged vestibular aqueduct.
(c)
Fid.120 = Fidelity 120; ACE = Advanced Combination Encoder; FSP = Fine Structure Processing