Terms | Number of patient (N = 124) | Frequency (%) |
Laterality of the lesion | ||
Left unilateral | 82 | 66.1 |
Rigth unilateral | 42 | 33.9 |
Type of perforation | ||
Unique | 118 | 95.2 |
Multiple | 4 | 3.2 |
Sub totale | 1 | 8 |
Total | 2 | 1.6 |
Perforation Seat | ||
Anterior inferior | 77 | 62.1 |
Posterior inferior | 57 | 46.0 |
Anterior superior | 34 | 27.4 |
Posterior superior | 24 | 19.4 |
Shape of the perforation |
|
|
Punctiform | 41 | 33.1 |
Oval | 46 | 37.1 |
Linear | 13 | 10.5 |
Circular | 10 | 8.1 |
triangular | 7 | 5.6 |
Others | 13 | 10.5 |