Table 3: Pre operative and Post opertaive tympanogram in 40 ears (n = 40).
| Pre operative and Post opertaive tympanogram in 40 ears (n = 40) | ||||
| Type of curve | Pre op number | Pre op percentage | Post op number | Post op percentage |
| A | 1 | 2.5% | 28 | 70% |
| B | 25 | 62.5% | 4 | 10% |
| C | 12 | 30% | 7 | 17.5% |
| As | 2 | 5% | 1 | 2.5% |