Table 1.
Characteristics of pediatric and adult patients.
| Patient Characteristics | Pediatric | Adult |
|---|---|---|
| Sex, No. (%) | ||
| Male | 90 (48.9) | 47 (36.7) |
| Female | 94 (51.1) | 81 (63.3) |
| Implantation site, No. (%) | ||
| Right | 73 (39.7) | 67 (52.3) |
| Left | 111 (60.3) | 61 (47.7) |
| Implantation procedure, No. (%) | ||
| Unilateral | 69 (37.5) | 119 (93.0) |
| Bilateral | 115 (62.5) | 9 (7.0) |
| Etiology of hearing loss, No. (%) | ||
| Acoustic trauma | 0 | 2 (1.6) |
| Chronic otitis media | 0 | 12 (9.4) |
| Congenital defect syndrome | 5 (2.7) | 0 |
| Cytomegaly | 10 (5.4) | 1 (0.8) |
| COVID-19 virus | 0 | 1 (0.8) |
| Genetic | 32 (17.4) | 1 (0.8) |
| Head trauma | 0 | 17 (13.3) |
| Idiopathic SNHL | 95 (51.6) | 64 (50.0) |
| Inner ear malformation | 6 (3.3) | 1 (0.8) |
| Meniere’s disease | 0 | 5 (3.9) |
| Meningitis | 0 | 5 (3.9) |
| Mumps | 0 | 4 (3.1) |
| Others | 2 (1.1) | 5 (3.9) |
| Otosclerosis | 0 | 6 (4.7) |
| Ototoxic drug | 7 (3.8) | 3 (2.3) |
| Perinatal problems (i.a. prematurity, hypoxia) | 27 (14.7) | 1 (0.8) |
| Age at implantation in years, M (SD) | 6.9 (4.0) | 53.6 (16.7) |
| Duration of hearing loss in years, M (SD) | 6.6 (3.9) | 16.1 (12.0) |
Abbreviations: M = mean; SD = standard deviation.