Table 1.
Incidence, findings and management of CP n (%)
| Characteristics | Data |
| CP | 15 cases |
| Incidence of CP | |
| Overall endoscopy (n = 17 357) | 0.09 |
| Colonoscopy (n = 13 699) | 0.10 |
| Flexible sigmoidoscopy (n = 3658) | 0.03 |
| Site of perforation | |
| Sigmoid colon | 12 (80) |
| Transverse colon | 2 (13) |
| Ascending colon | 1 (7) |
| Mechanism of perforation | |
| Direct injury from shaft of scope | 7 (47) |
| Direct injury from tip of scope | 5 (33) |
| Polypectomy | 3 (20) |
| Surgical management1 | |
| Primary suture of the perforation | 4 (27) |
| Resection with primary anastomosis | 4 (27) |
| Resection without anastomosis | 7 (47) |
1
Four patients (27%) had concomitant colorectal cancer.