Table 1. Subject demographics.
| Participant | Sex | Etiology | Age at Visit (yrs; mos) | Age at first CI (yrs;mos) | Unilateral experience (yrs; mos) | Age at second CI (yrs; mos) | BICI experience (mos) | First CI (Device, processor, ear) | Second CI (Device, processor, ear) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| V1 | V2 | V3 | V4 | V1 | V2 | V3 | V4 | ||||||||
| CIAW | M | CMV | 7;8 | 8;7 | 11;10 | 1;2 | 4;3 | 5;5 | 26 | 37 | 78 | N24, Freedom, R | Freedom, Freedom, L | ||
| CIAY | M | Unknown, progressive a | 9;2 | 11;8 | 5;2 | 0;10 | 6;0 | 38 | 68 | N24, Freedom, R | Freedom, Freedom, L | ||||
| CIBU | M | Connexin 26 | 6;3 | 7;3 | 8;3 | 1;2 | 3;11 | 5;1 | 13 | 26 | 37 | V1: Combi40+, Tempo+, L; V2: Combi40+, Opus 2, L; V3: Combi40+, Opus2, L | V1: Pulsarci100, Tempo+, R; V2: Pulsarci100, Opus2, R; V3: SONATAti100, Opus2, R | ||
| CIBW | F | Connexin 26 | 5;10 | 7;0 | 1;1 | 2;8 | 3;9 | 25 | 39 | N24, Freedom, R | Freedom, Freedom, L | ||||
| CICA | M | Unknown | 5;6 | 6;6 | 2;5 | 0;0 | 2;5 | 38 | 49 | Pulsarci100, Opus 2, simultaneous | Pulsarci100, Opus 2, simultaneous | ||||
| CICF | F | Bacterial Meningitis a | 5;6 | 6;7 | 1;6 | 0;10 | 2;4 | 38 | 50 | Freedom, Freedom, R | Freedom, Freedom, L | ||||
| CICL | M | Connexin 26 | 4;10 | 6;0 | 1;5 | 1;4 | 2;9 | 24 | 38 | Freedom, Freedom, R | Freedom, Freedom, L | ||||
| CICY | M | Unknown | 6;9 | 8;0 | 1;0 | 3;8 | 4;8 | 24 | 39 | HiRes90K/HiFocus, Harmony, R | HiRes90K/HiFocus, Harmony, L | ||||
| CIDJ | F | Genetic, progressive | 7;1 | 8;1 | 8;11 | 10;6 | 1;8 | 3;5 | 5;1 | 24 | 36 | 47 | 65 | N24, Freedom, R | N24, Freedom, L |
| CIDP | F | Connexin 26 | 4;11 | 5;10 | 0;11 | 1;10 | 2;9 | 26 | 37 | V1: Combi40+, Tempo+, L; V2: Combi40+, Opus 2, L | V1: Pulsarci100, Tempo+, R; V2: Pulsarci100, Opus2, R | ||||
| CIDQ | F | Unknown | 6;7 | 7;8 | 8;8 | 0;9 | 3;6 | 4;3 | 27 | 40 | 51 | V1: N24, SPrint, R; V2: N24, Sprint, R; V3: N24, Freedom, R | V1: Freedom, Freedom, L; V2: Freedom, Freedom, L; V3: Freedom, Freedom, L | ||
| CIDW | M | Unknown | 7;0 | 8;0 | 2;3 | 2;9 | 5;0 | 24 | 36 | HiRes90K/HiFocus, Harmony, R | HiRes90K/HiFocus, Harmony, L | ||||
| CIEB | F | Pendred’s, progressive | 8;3 | 11;3 | 3;7 | 0;5 | 4;0 | 51 | 86 | N24, Freedom, R | N24, Freedom, L | ||||
| CIEC | M | Pendred’s, progressive | 6;11 | 10;1 | 2;5 | 0;5 | 2;10 | 50 | 85 | N24, Freedom, R | N24, Freedom, L | ||||
| CIEE | M | EVA progressive | 6;2 | 7;2 | 2;10 | 1;1 | 3;11 | 27 | 38 | V1: Freedom, Freedom, R; V2: Freedom, N5, R | V1: Freedom, Freedom, L; V2: Freedom, N5, L | ||||
| CIEF | F | Unknown | 6;10 | 7;11 | 1;3 | 3;7 | 4;10 | 24 | 37 | N24, Freedom, R | Freedom, Freedom, L | ||||
| CIEH | M | Genetic | 4;1 | 5;0 | 6;2 | 1;1 | 0;0 | 1;1 | 36 | 47 | 61 | Freedom, Freedom, simultaneous | Freedom, Freedom, simultaneous | ||
| CIEK | F | EVAS a | 7;4 | 8;4 | 4;11 | 0;4 | 5;3 | 26 | 37 | HiRes90K/HiFocus, Harmony, L | HiRes90K/HiFocus, Harmony, R | ||||
| CIET | M | EVAS a | 6;11 | 7;11 | 4;10 | 0;0 | 4;10 | 25 | 37 | SONATAti100, Opus 2, simultaneous | SONATAti100, Opus 2, simultaneous | ||||
aChildren who have a history of acoustic experience