Table 3.
Comparison of pre- and post-operative A-B gap among study groups
| Conventional | Vertical strut | P value# | |||
|---|---|---|---|---|---|
| Mean | Std. deviation | Mean | Std. deviation | ||
| Pre-operative A–B gap (dB) | 31.15 | 5.75 | 33.00 | 8.39 | 0.359 |
| Post-operative A–B gap (dB) | 22.12 | 6.62 | 20.88 | 7.03 | 0.519 |
| Gain(dB) | 9.03 | 5.42 | 12.12 | 7.24 | 0.089 |
#Unpaired t test