type of surgery

Effective

Percentage

Myringoplasty

21

32.8

Tympanoplasty type 2

9

14.0

Antrotomy + Myringoplasty

14

21.8

Antro-atticotomy + Myringoplasty

10

15.6

Recess cavity + Tympanoplasty

10

15.6

Total

64

100