TABLE 2.
Colonoscopy-related perforation rates
| Study | Study design | Clinician specialty* | Patients/procedures (n) | Perforation rate, n (%) |
|---|---|---|---|---|
| Wexner et al (12); Setting: Two hospitals | Retrospective | Surgeons (n=4) | 2069 colonoscopies | 3 (0.14) |
| Minoli et al (17); Setting: Four endoscopy units | Prospective | Gastroenterologists | 603 colonoscopies | 2 (0.33) |
| Nelson et al (18); Setting: 13 VA Medical Centers | Prospective | Gastroenterologists | 3196 screening colonoscopies | 0 (0) |
| Gatto et al (19); Setting: Random sampling of 5% of United States Medicare claims (patients aged 65 years or older) | Retrospective | Not specified | 39,286 colonoscopies | 77 (0.19) |
| Cobb et al (20); Setting: A single teaching hospital (Carolinas Medical Center) | Prospective | Total | 43,609 colonoscopies | 14 (0.03) |
| General surgeons | 1243 colonoscopies | 1 (0.08) | ||
| Gastroenterologists | 42,366 colonoscopies | 13 (0.031) | ||
| Misra et al (21); Setting: A single teaching hospital (University of Alberta Hospital) | Retrospective | Gastroenterologists | 7425 colonoscopies | 10 (0.13) |
| Regula J et al (60); Setting: A national screening program in Poland (6 to 40 sites at study end) | Prospective | Not specified | 50,148 colonoscopies | 51 (0.10) |
| Levin et al (61); Setting: Kaiser Permanente of Northern California health care system | Retrospective | Endoscopists | 16,318 colonoscopies | 15 (0.092) |
*
Unless shown, the number of persons performing the procedure was not reported in the paper. VA Veterans affairs