| Group I | Group II | Group III | Group IV |
---|---|---|---|---|
Number | 130 | 28 | 20 | 32 |
Male | 83 (63.8%) | 16 (57.1%) | 13 (65%) | 15 (47%) |
Female | 47 (36.2%) | 12 (42.9%) | 7 (35%) | 17 (53%) |
Age (years) | ||||
Mean | 9.5 | 11 | 11.9 | 10 |
SD | 3.3 | 3.1 | 2.7 | 3.2 |
Minimum | 4 | 6.8 | 6 | 5 |
Maximum | 18 | 17 | 17 | 16 |
Degree of hearing loss in the study groups |  | Bilateral moderately severe (# = 6) Bilateral severe (# = 9) Right profound, and Left severe (# = 1) Bilateral severe to profound (# = 3) Bilateral profound (# = 9) | Bilateral moderately severe (# = 1) Bilateral profound (# = 19) | Bilateral moderately severe (# = 1) Right profound, and Left severe (# = 1) Bilateral profound (# = 30) |