Table 2 Ages at time of diagnosis of SNHL, at time of cochlear implantation, at the time of starting language rehabilitation, etiology of the SNHL, laterality of the implanted ear, ages of acquisition of the 1st word/sentence, duration of the received language rehabilitation
Group I (n = 30) | Group II (n = 30) | ||
|---|---|---|---|
Prelingual SNHL children CI before 3 years | Prelingual SNHL children CI after 3 years | ||
Age at time of diagnosis of SNHL (mean ± SD), in years | 0.8 ± 0.37 | 1.9 ± 0.66 | |
Etiology of the SNHL (Number %) | Congenital | 28 (93.3) | 26 (86.7%) |
Viral (post meningitis) | 0 (0%) | 4 (13.4) | |
Ototoxic drugs | 2 (6.7%) | 0 (0%) | |
Age of bilateral HAs (mean ± SD), in years | 1.39 ± 0.9 | 2.28 ± 1.04 | |
Age of CI (mean ± SD), in years | 2.3 ± 0.62 | 4.7 ± 0.74 | |
The implanted ear (Number %) | Right ear | 14 (53.3%) | 16 (60%) |
Left ear | 12 (40%) | 14 (40%) | |
Bilateral ears | 2 (6.7%) | 0 (0%) | |
No (%) of children who received language rehabilitation and fitted with bilateral HAs before CI. | 19 (63.4%), | 26 (86.7%) | |
Age of starting language rehabilitation (mean ± SD), in years | 1.9 ± 0.66 | 2.9 ± 0.94 | |
Duration of the received language rehabilitation (mean ±SD), in years | 4.09 ± 1.44 | 4.1 ± 1.14 t = − 0.15 (0.583 NS) | |
Age at time of acquisition of the 1st word (mean ±SD), in years | 2.9 ± 1.05 | 4.1 ± 2.14 | |
The age of acquisition of the 1st sentence (mean ± SD), in years | 3.6 ± 1.65 | 5.5 ± 2.26 | |