Summary of Studies
| Study, Year | No. of Colonoscopies | No. of Colonoscopists | Average Age, y (Range) | % Female | Setting | Study Design | Training of Endoscopists |
|---|---|---|---|---|---|---|---|
| a Additional information about this study was provided by the author. | |||||||
| Godreau,24 1992 | 157 | 1 | 58 (range not reported) | 57.1 | US family practice | Cohort | Endoscopist completed 86 flexible sigmoidoscopies with biopsy then attended a continuing medical education workshop. He was proctored for 13 colonoscopies |
| Rodney et al,25 1993 | 293 | 1 | 67 (range not reported) | 60.6 | US family practice | Cohort | Trained in sigmoidoscopy then began performing colonoscopy after 300 sigmoidoscopies |
| Hopper et al,26 1996 | 1,048 | 1 | 57 (14–91) | 41.3 | US family practice | Cohort | Completed a didactic course |
| Harper et al,27 1997 | 309 | 2 | Not reported | Not reported | US family practice | Case-control | One endoscopist “trained” by gastroenterologist and general surgeon and other endoscopist “trained” by general surgeon and family physician |
| Pierzchajio et al,28 1997 | 751 | 1 | 53.8 (range not reported) | 62.5 | US family practice | Cohort | Completed 700 flexible sigmoidoscopies then attended a didactic course on colonoscopy. |
| Carr et al,29 1998 | 250 | 1 | 67.4 (range not reported) | 61.6 | US family practice | Cohort | He was precepted for 80 colonoscopies |
| Kirby,30 2004 | 616 | 1 | 58 (range not reported) | Not reported | Canadian general practitioner | Cohort | Attended colonoscopy continuing medical education course then completed 11 proctored colonoscopies with 5 polypectomies. Proctored by a family physician |
| Edwards and Norris,31 2004 | 200 | 4 | 62 (16–90) | 45.5 | US family practice | Cohort | Completed 30 supervised colonoscopies as part of a general surgery residency training program |
| Newman et al,32 2005 | 731 | 2 | 62.7 (20–92) | 51.6 | U.S. family practice | Cohort | Three physicians were trained in family medicine residency programs. One of these physicians proctored the oldest physician until he was proficient in colonoscopy. |
| Strayer,33 2005a | 250 | 4 | 57.1 (range not reported) | 50.4 | US family practice | Cohort | Trained in a family medicine residency program. Attended a continuing medical education course. Proctored by a gastroenterologist |
| Cotterill et al,34 2005 | 324 | 2 | Not reported | Not reported | Canadian family practice | Cohort | All physicians trained in flexible sigmoidoscopy during family medicine residency. One physician proctored in colonoscopy by general surgeon. This physician trained the other physicians in colonoscopy |
| Lloyd,35 2006a | 13,363 | 53 | Not reported | Not reported | US multispecialty primary care endoscopy center | Cohort | One physician was trained in residency program. Training was not reported for the other physician |
| Total | 18,292 | 73 | 59 | 50.5 | Training was variable. Physicians proctored by a variety of specialists to include family physicians, internists, general surgeons, gastroenterologists | ||