Table 2. Patients Included in the Meta-analysis of Correlationsa.
Patient-related factor | Studies | No. of patients | Sex, No. (%) | Mean range | |
---|---|---|---|---|---|
Male | Female | ||||
Age at implantation | 9 | 518 | 152 (46) | 179 (54) | 51.2-72 y |
Duration of hearing loss | 10 | 738 | 205 (44) | 264 (56) | 9.5-31.8 y |
Preimplant | |||||
Earphone PTA | 3 | 478 | 201 (55) | 166 (45) | 87.6-96.3 dB |
Aided word recognition | 2 | 404 | 182 (55) | 146 (45) | 7.2%-8.6% |
All studies | 13 | 1095 | 405 (49) | 421 (51) | NA |
Abbreviations: NA, not applicable; PTA, pure-tone average.
More than 1 factor for each article could be included in a meta-analysis, so all studies are not totals. Subject sex was not reported for all subjects.