Table 3. Meta-analysis of Correlationsa.
| Characteristic | r (95% CI) | I2, % | P value |
|---|---|---|---|
| Age at implantation | |||
| Word recognition in quiet | −0.27 (−0.35 to −0.19) | 0.0 | .58 |
| Sentence recognition | |||
| In quiet | −0.31 (−0.41 to −0.20) | 0.0 | .87 |
| In noise | NA | NA | NA |
| Duration of hearing loss | |||
| Word recognition in quiet | −0.25 (−0.41 to −0.07) | 79.9 | <.001b |
| Sentence recognition | |||
| In quiet | 0.02 (−0.08 to 0.12) | 7.7 | .37 |
| In noise | NA | NA | NA |
| Preimplant earphone PTA | |||
| Word recognition in quiet | −0.16 (−0.26 to −0.06) | 0.0 | .76 |
| Sentence recognition | |||
| In quiet | −0.15 (−0.25 to −0.05) | 0.0 | .67 |
| In noise | −0.19 (−0.34 to −0.04) | 10.5 | .33 |
| Preimplant word recognition | |||
| Word recognition in quiet | 0.22 (0.13 to 0.32) | 18.5 | .27 |
| Sentence recognition | |||
| In quiet | NA | NA | NA |
| In noise | NA | NA | NA |
Abbreviations: NA, not applicable; PTA, pure-tone average.
a
Pooled correlation values and heterogeneity statistics (I2 and P value) for meta-analysis of correlations.
b
Indicates significance for heterogeneity. Random effect is used.