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Colorectal Cancer Screening with Double-Contrast Barium Enema: A National Survey of Diagnostic Radiologists

Carrie N. Klabunde1, Elizabeth Jones2, Martin L. Brown1 and William W. Davis3

1 Health Services and Economics Branch, Applied Research Program, National Cancer Institute, Executive Plaza North, Rm. 4005, 6130 Executive Blvd., Bethesda, MD 20892-7344.
2 Diagnostic Radiology Department, Clinical Center, National Institutes of Health, Bldg. 10, Rm. 1C-660, Bethesda, MD 20892-1182.
3 Statistical Research and Applications Branch, Surveillance Research Program, National Cancer Institute, Rm. 5047, 6116 Executive Blvd., Bethesda, MD 20892.



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  		Fig. 1. —Graph shows physicians' perceived effectiveness of colorectal cancer screening tests for average-risk adults 50 years old and older. Black bars represent diagnostic radiologists; white bars represent primary care physicians. Differences are statistically significant at p < 0.0001 for fecal occult blood test and barium enema and at p < 0.005 for flexible sigmoidoscopy.

 


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  		Fig. 2. —Graph shows self-reported influence of published guidelines on physicians' colorectal cancer screening practice. Black bars represent diagnostic radiologists; white bars represent primary care physicians. Differences are statistically significant at p < 0.0001 for the American Cancer Society and the United States Preventive Services Task Force, and at p<0.005 for the G. I. (Gastrointestinal) Consortium and other specialty societies.

 


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  		Fig. 3. —Graph shows self-reported volume of double-contrast barium enema procedures during typical month. Black bars indicate screening and white bars indicate diagnostic procedures.

 


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  		Fig. 4. —Graph shows diagnostic radiologists' self-reported change in colorectal cancer screening and diagnostic procedure volume during past 3 years.

 


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  		Fig. 5. —Graph shows diagnostic radiologists' expectations for double-contrast barium enema screening and diagnostic procedure volume during next 3 years.

 


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  		Fig. 6. —Graph shows diagnostic radiologists' perceived adequacy of capacity of facilities and personnel to meet double-contrast barium enema demand over next 3 years.

 

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