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Correlation of differences between post- and pre-operative hearing thresholds and type of cochleostomy (Median, IQR).
| Frequency | Fenestral (n=12) | Promontorial (n=143) | p value |
|---|---|---|---|
| Average | 11 (7-18) | 12 (6-20) | 1 |
| 0.5 kHz | 20 (12-27) | 15 (7-30) | 0.5 |
| 1 kHz | 10 (5-20) | 10 (5-20) | 0.7 |
| 2 kHz | 5 (0-22) | 10 (5-20) | 0.5 |
| 4 kHz | 5 (0-12) | 5 (5-15) | 0.3 |
