Table 1.
Participants’ demographics and clinical data
| Demographic category | Numerical data | |
|---|---|---|
| Gender (male / female) | 9 / 8 | |
| Age at surgical procedure | 63.4 ± 15.8 years (range 18.9 – 87.1 years) | |
| Age at onset of deafness | 56.2 ± 21.9 years (range 11.9 – 86.7 years) | |
| Duration of deafness before CI surgical procedure | 7.2 ± 10.3 years (range 0.0 – 36.0 years) | |
| Categorized duration of deafness pre CI surgical procedure | ||
| > 1 year | 8 | |
| < = 1 year | 5 | |
| = 0 | 4 | |
| Etiology | ||
| Acoustic trauma | 1 | |
| Earlier middle ear surgery | 3 | |
| Ménière's disease | 1 | |
| Mumps | 1 | |
| Otitis media | 1 | |
| Otosclerosis | 1 | |
| Sudden hearing loss | 5 | |
| Unidentified hereditary | 1 | |
| Unknown | 3 | |
| Implanted side (right / left) | 13 / 4 | |
| CI manufacturers (Advanced Bionics / Cochlear / MED-EL) | 3 / 9 / 5 | |
| Hearing status of the contralateral ear | ||
| Normal | 7 | |
| Mild hearing loss | 1 | |
| Moderate hearing loss | 6 | |
| Profound hearing loss | 2 | |
| Residual hearing | 1 | |
| Duration of CI use within the scope of the study | 1.8 ± 0.6 years (range 0.8 – 2.9 years) | |