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Comparison of hearing gain at different frequencies for group B cases
| Frequency (Hz) | Average pre op/post op | Average hearing gain | Compare with hearing gain at 250 Hz | Compare with hearing gain at 500, 1,000 and 2,000 |
|---|---|---|---|---|
| 250 | 32.78/16.11 | 16.67 | P = 0.14 not significant | |
| 500, 1,000, 2,000 | 36.66/18.47 | 18.98 | ||
| 4,000 | 33.70/21.30 | 12.41 | P = 0.000000048 significant | |
| 8,000 | 33.15/22.04 | 11.11 | P = 0.0000173 significant | P < 0.000001 significant |
