Table 1.
Showing presenting symptoms, ear affected, findings of X-ray mastoid and preoperative air-bone (AB) gap
| Vein graft group | Temporalis fascia graft group | |||
|---|---|---|---|---|
| n = 30 | % | n = 30 | % | |
| Presenting symptoms | ||||
| Ear discharge | 15 | 50 | 14 | 46.67 |
| Hearing loss | 10 | 33.3 | 9 | 30 |
| Ear ache | 4 | 13.3 | 5 | 16.67 |
| Ear affected (tympanic membrane perforation) | ||||
| Right | 15 | 50 | 16 | 53.3 |
| Left | 11 | 36.7 | 9 | 30 |
| Bilateral | 4 | 13.3 | 5 | 16.67 |
| Type of mastoid on X-ray of operated ear | ||||
| Sclerotic | 20 | 66.7 | 19 | 63.33 |
| Diploeic | 7 | 23.3 | 8 | 26.67 |
| Cellular | 3 | 10 | 3 | 10 |
| Pre-operative AB Gap (dB) | ||||
| Mean | 22.75 | 21.63 | ||
| Minimum | 10 | 8 | ||
| Maximum | 42 | 40 | ||
| Range of pre-operative AB Gap (dB) | ||||
| <25 | 18 | 60 | 19 | 63.3 |
| 25–40 | 10 | 33.3 | 10 | 33.3 |
| >40 | 2 | 6.67 | 1 | 3.3 |