Table 1.
Clinical profile of the deaf participants.
| Subjects | Sex | Age | Age at onset of deafness (years) | Cause of deafness | Deafness duration (years) | Duration of deafness without using hearing devices (years) | Principal mode of communication | Duration of CI use |
|---|---|---|---|---|---|---|---|---|
| D1 | F | 25 | 0 (Congenital) | Hereditary | 25 | 25 | Manual | – |
| D2 | M | 32 | 0 (Congenital) | Hereditary | 32 | 0 | Manual | – |
| D3 | M | 20 | 0 (Congenital) | Hereditary | 20 | 20 | Manual | – |
| D4 | F | 30 | 0 (Congenital) | Hereditary | 30 | 3 | Oral | – |
| D5 | F | 45 | 0–22 (Progressive) | Hereditary | 45 | 0 | Oral | – |
| D6 | F | 33 | 0 (Congenital) | Ototoxicity | 33 | 3 | Oral | – |
| D7 | F | 47 | 0 (Congenital) | Anoxia | 47 | 7 | Oral | – |
| D8 | F | 26 | 0 (Congenital) | Ototoxicity | 26 | 0 | Oral | – |
| D9 | F | 28 | 0 (Congenital) | Unknown | 6 | 0 | Oral | – |
| CI0 | F | 34 | 14–29 (Progressive) | Hereditary | 20 | 3 | Oral | 5 |
| CI1 | F | 64 | 19–55 (Progressive) | Hereditary | 45 | 1 | Oral | 9 |
| CI2 | F | 25 | 9–16 (Progressive) | Hereditary | 16 | 1 | Oral | 9 |
| CI3 | M | 53 | 39–44 (Progressive) | Unknown | 14 | 0 | Oral | 9 |
| CI4 | F | 38 | 7–31 (Progressive) | Unknown | 31 | 1 | Oral | 7 |
| CI5 | F | 36 | 21–27 (Progressive) | Unknown | 15 | 1 | Oral | 9 |
| CI6 | M | 23 | 5–18 (Progressive) | Hereditary | 18 | 1 | Oral | 5 |
| CI7 | M | 66 | 22–58 (Progressive) | Meningitis | 44 | 0 | Oral | 8 |
| CI8 | M | 25 | 9–16 (Progressive) | Hereditary | 16 | 1 | Oral | 9 |
D = deaf individual without cochlear implant; CI = cochlear implant user.