Special articleCurrent capacity for endoscopic colorectal cancer screening in the United States: data from the National Cancer Institute Survey of Colorectal Cancer Screening Practices
Section snippets
Survey
We used data from the primary care and gastroenterology/general surgery components of the Survey of Colorectal Cancer Screening Practices, collected between November 1999 and April 2000. We focused on factors related to endoscopy procedures because double-contrast barium enema is used rarely for screening or diagnostic follow-up in current practice 10, 11. The survey samples of 1630 primary care physicians, 467 gastroenterologists, and 467 general surgeons were obtained from the American
Results
We obtained 1235 responses to the primary care survey, a response rate of 72%, and 665 to the specialty survey (349 gastroenterologists, 316 general surgeons), a response rate of 83%. Specialty physicians were more likely than primary care physicians to be male and to be white and had fewer patients covered by managed care contracts (Table 1). Gastroenterologists tended to be younger and board certified, to have a medical school affiliation, and to be located in a metropolitan area. General
Discussion
We used nationally representative data about the activities of the main physician specialties that perform colorectal cancer screening procedures to generate estimates of the total number of endoscopic colorectal procedures performed in the United States. Although we did not validate these self-reported data against administrative or clinical records, our estimates are remarkably consistent with those generated from other sources. For example, Rex and Lieberman reported that about 4.4 million
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