| Speech recognition in quiet | |
| Former BCHA | Former ACHA |
| 74% improved | 50% improved |
| 10% worse | 31% worse |
| Speech Recognition in noise | |
| Former BCHA | Former ACHA |
| 76% improved | 44% improved |
| 8% worse | 38% worse |
| Conclusion | |
| Majority of patients who previously used conventional BCHA showed significantly improved speech recognition scores with BAHA & the majority preferred BAHA. Former users of ACHA –results ambiguous, speech recognition poorer than ACHA. BAHA uni-aural compared to bi-aural ACHA. | |
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