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. 2020 May 14;146(7):1–9. doi: 10.1001/jamaoto.2020.0662

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.

a

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.