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Comparison of hearing gain at different frequencies for group A 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 | 34.14/16.57 | 17.57 | P = 0.112 not significant | |
| 500, 1,000, 2,000 | 36.81/17.76 | 19.05 | ||
| 4,000 | 34.14/19.14 | 15 | P = 0.000068 significant | |
| 8,000 | 34.29/22.29 | 12 | P = 0.0000000049 significant | P < 0.00000001 significant |
