Prognostic factors | Number of ears in category | Number of ears successfully repaired | Success rate (%) | P value |
---|---|---|---|---|
Site of perforation | 0.03 | |||
Anterior | 12 | 7 | 58% | |
Posterior | 40 | 33 | 83% | |
Central | 21 | 20 | 95% | |
Middle ear mucosa status | 0.002 | |||
Dry normal | 31 | 19 | 61% | |
Granulation | 6 | 5 | 83% | |
Granulation, discharging | 23 | 14 | 61% | |
Wet | 1 | 1 | 100% | |
Wet moist | 36 | 30 | 83% | |
Fibrous adhesions | 4 | 4 | 100% | |
Cholesteatoma | 3 | 1 | 14% | |
Status of contralateral ear | 0.04 | |||
Normal | 89 | 61 | 69% | |
Infected | 19 | 13 | 68% | |
Income status | 0.02 | |||
<2 Dollar ($) | 51 | 36 | 71% | |
>2 Dollar ($) | 58 | 38 | 67% | |
Technique | 0.04 | |||
On lay | 9 | 6 | 67% | |
Under lay | 66 | 51 | 77% | |
Sandwich | 7 | 6 | 86% | |
On lay-underlay | 12 | 10 | 83% | |
Surgical approach | 0.01 | |||
End aural | 33 | 21 | 64% | |
Auricular | 62 | 43 | 69% | |
Canal | 13 | 10 | 77% | |
Antral drainage | 0.02 | |||
Not done | 69 | 48 | 70% | |
Done | 39 | 26 | 67% |