Table 1. Studies Included in the Meta-analysis of Correlationsa.
| Source | Patient-related factors | Postoperative speech recognition task | Follow-up, mo |
|---|---|---|---|
| Beyea et al,28 2016 | Age at CI, DoHL | Sentences in quiet: HINT, AzBio | ≥12 |
| Derinsu et al,29 2018 | Age at CI, DoHL, WR | Words in quiet: phonetically balanced monosyllable word lists | ≥12 |
| Fabie et al,30 2018 | PTA, WR | Words in quiet: CNC | ≥6 |
| Sentences in quiet: AzBio in quiet | |||
| Sentences in noise: AzBio in noise | |||
| Francis et al,22 2005 | Age at CI, DoHL, PTA | Words in quiet: CNC | 6 |
| Guerra-Jimenez et al,24 2016 | Age at CI, DoHL | Words in quiet: NS | ≥12 |
| Holden et al,1 2013 | Age at CI, DoHL | Words in quiet: CNC | ≥24 |
| Holden et al,31 2016 | Age at CI, DoHL, PTA | Words in quiet: CNC | ≥6 |
| Sentences in quiet: AzBio in quiet | |||
| Sentences in noise: AzBio in noise | |||
| Kamakura et al,32 2016 | Age at CI | Words in quiet: CNC, NU-6 | >12 |
| Kim et al,21 2018 | Age at CI, DoHL | Words in quiet: NS | 24 |
| Li et al,33 2007 | Age at CI | Words in quiet: NU-6 or CNC | ≥12 |
| Medina et al,34 2017 | DoHL | Words in quiet: DWR | 6 |
| Sentences in quiet: NS | |||
| Plant et al,35 2016 | DoHL | Words in quiet: CNC | 12 |
| Rubinstein et al,36 1999 | DoHL | Words in quiet: NU-6 or CNC | 9 |
Abbreviations: CI, cochlear implant; CNC, consonant-nucleus-consonant test; DoHL, duration of hearing loss; DWR, disyllabic word recognition; HINT, Hearing in Noise Test; NS, not specified; NU-6, Northwestern University Auditory Test Number 6; PTA, preimplant earphone pure-tone average; WR, preimplant-aided word recognition.
a
Studies listed satisfied inclusion criteria for meta-analysis of correlations, factors analyzed, speech recognition measure used, and follow-up time in months.