Table 1 Subject demographics for each subject group. Note: For continuous variables, the mean and + 1 standard deviation are shown in brackets
Subject group | 532 | 512 | 522 |
Device | CI532 | CI512 | CI522 |
Electrode type | Slim modiolar | Contour advance | Slim straight |
Number of patients | 46 | 45 | 48 |
Number of ears | 54 | 54 | 51 |
Age (year) | 25.17±26.29 | 20.80±25.87 | 55.36±28.59 |
Sex (male/female) | 25/29 | 23/31 | 33/18 |
Duration of deafness (year) | 2.94±7,46 | 3.06±9.34 | 3.13±12.99 |
Cause of deafness | |||
Congenital | 29% | 28% | 17% |
Progressive | 22%, | 26% | 23% |
Unknown | 16% | 28% | 35% |
Others | 33% | 17% | 25% |