Table 1 Distribution of cases as per type of perforation and type of surgery
Type of Surgery | ||
|---|---|---|
Type of Perforation | Primary (n = 810) | Revision (n = 290) |
Total Perforation (n = 260) | 155 | 105 |
Subtotal perforation (n = 520) | 470 | 50 |
Anterior Perforation (n = 330) | 195 | 135 |