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Comparison of pre- and post-operative AC thresholds among study groups
| Conventional | Vertical strut | P value# | |||
|---|---|---|---|---|---|
| Mean | Std. deviation | Mean | Std. deviation | ||
| Pre-operative AC threshold (dB) | 45.04 | 10.26 | 48.58 | 9.85 | 0.210 |
| Post-operative AC threshold (dB) | 35.42 | 11.47 | 34.77 | 8.70 | 0.818 |
| Gain (dB) | 9.62 | 13.51 | 13.81 | 6.54 | 0.161 |
#Unpaired t test
