TABLE 2.
Characteristics of primary cochlear implantation in West China Hospital of Sichuan University
| Characteristics | Children (n = 1561) | Adults (n = 153) | p |
|---|---|---|---|
| Age, mean (SD), yrs | 3.8 (3.4) | 35.3 (14.3) | 0.026 |
| Sex, n (%) | |||
| Female | 647 (41.4) | 77 (50.3) | 0.034 |
| Male | 914 (58.6) | 76 (49.7) | |
| Operation time, n (%) | |||
| 1999–2009 | 197 (12.6) | 7 (4.6) | <0.001 |
| 2010–2019 | 1149 (73.6) | 107 (69.9) | |
| 2020–2021 | 215 (13.8) | 39 (25.5) | |
| Laterality, n (%) | |||
| Right | 1266 (81.1) | 107 (69.9) | 0.001 |
| Left | 295 (18.9) | 46 (30.1) | |
| Manufacture, n (%) | |||
| Advanced Bionics | 243 (15.6) | 31 (20.3) | <0.001 |
| Cochlear | 661 (42.3) | 51 (33.3) | |
| Medel | 510 (32.7) | 33 (21.6) | |
| Nurotron | 147 (9.4) | 38 (24.8) | |
SD, standard deviation.