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) |