• 1
    Smith RA, Cokkinides V, Eyre HJ. American Cancer Society guidelines for early detection of cancer, 2003. CA Cancer J Clin. 2003; 53: 2743.
  • 2
    Winawer S, Fletcher R, Rex D, et al. Colorectal cancer screening and surveillance: clinical guidelines and rationale—update based on new evidence. Gastroenterology. 2003; 124: 544560.
  • 3
    Rex DK, Johnson DA, Lieberman DA, Burt RW, Sonnenberg A. Colorectal cancer prevention 2000: screening recommendations of the American College of Gastroenterology. Am J Gastroenterol. 2000; 95: 868877.
  • 4
    U.S. Preventive Services Task Force. Screening for colorectal cancer: recommendations and rationale. Ann Intern Med. 2002; 137: 129131.
  • 5
    Centers for Disease Control and Prevention. Colorectal cancer test use among persons aged ≥ 50 years—United States, 2001. MMWR Morb Mortal Wkly Rep. 2003; 52: 193196.
  • 6
    U.S. Department of Health and Human Services. Healthy People 2010: understanding and improving health, 2nd edition. Washington, DC: U.S. Government Printing Office, 2000.
  • 7
    Ghafoor A, Jemal A, Cokkinides V, et al. Cancer statistics for African Americans. CA Cancer J Clin. 2002; 52: 326341.
  • 8
    Jemal A, Murray T, Samuels A, Ghafoor A, Ward E, Thun MJ. Cancer statistics, 2003. CA Cancer J Clin. 2003; 53: 526.
  • 9
    Health Care Financing Administration. Medicare coverage of colorectal cancer screening. Washington, DC: Health Care Financing Administration, 1997.
  • 10
    Burns RB, McCarthy EP, Freund KM, et al. Black women receive less mammography even with similar use of primary care. Ann Intern Med. 1996; 125: 173186.
  • 11
    Jepson C, Kessler LG, Portnoy B, Gibbs T. Black-white differences in cancer prevention knowledge and behavior. Am J Public Health. 1991; 81: 501504.
  • 12
    Mayberry RM, Coates RJ, Hill HA, et al. Determinants of black/white differences in colon cancer survival. J Natl Cancer Inst. 1995; 87: 16861693.
  • 13
    Cooper GS, Yuan Z, Landefeld CS, Rimm AA. Surgery for colorectal cancer: race-related differences in rates and survival among Medicare beneficiaries. Am J Public Health. 1996; 86: 582586.
  • 14
    Tropman SE, Hatzell T, Paskett E, Ricketts T, Cooper MR, Aldrich T. Colon cancer treatment in rural North and South Carolina. Cancer Detect Prev. 1999; 23: 428434.
  • 15
    Elston Lafata J, Cole Johnson C, Ben-Menachem T, Morlock RJ. Sociodemographic differences in the receipt of colorectal cancer surveillance care following treatment with curative intent. Med Care. 2001; 39: 361372.
  • 16
    Knopf KB, Warren JL, Feuer EJ, Brown ML. Bowel surveillance patterns after a diagnosis of colorectal cancer in Medicare beneficiaries. Gastrointest Endosc. 2001; 54: 563571.
  • 17
    Bach PB, Schrag D, Brawley OW, Galaznik A, Yakren S, Begg CB. Survival of blacks and whites after a cancer diagnosis. JAMA. 2002; 287: 21062113.
  • 18
    Ko CW, Kreuter W, Baldwin LM. Effect of Medicare coverage on the use of invasive colorectal cancer screening tests. Arch Intern Med. 2002; 162: 25812586.
  • 19
    Richards RJ, Reker DM. Racial differences in use of colonoscopy, sigmoidoscopy and barium enema in Medicare beneficiaries. Dig Dis Sci. 2002; 47: 27152719.
  • 20
    Lurie JD, Welch HG. Diagnostic testing following fecal occult blood screening in the elderly. J Natl Cancer Inst. 1999; 91: 16411646.
  • 21
    McMahon LF Jr., Wolfe RA, Huang S, Tedeschi P, Manning W Jr., Edlund MJ. Racial and gender variation in use of diagnostic colonic procedures in the Michigan Medicare population. Med Care. 1999; 37: 712717.
  • 22
    Lee AJ, Baker CS, Gehlbach S, Hosmer DW, Reti M. Do black elderly Medicare patients receive fewer services? An analysis of procedure use for selected patient conditions. Med Care Res Rev. 1998; 55: 314333.
  • 23
    Cooper GS, Yuan Z, Chak A, Rimm AA. Geographic and patient variation among Medicare beneficiaries in the use of follow-up testing after surgery for nonmetastatic colorectal carcinoma. Cancer. 1999; 85: 21242131.
  • 24
    Iezzoni LI. Data sources and implications: administrative data bases. In: IezzoniLI, editor. Risk adjustment for measuring health care outcomes. Ann Arbor: Health Administration Press, 1994: 119175.
  • 25
    Freeman JL, Klabunde CN, Schussler N, Warren JL, Virnig BA, Cooper GS. Measuring breast, colorectal and prostate cancer screening with Medicare claims data. Med Care. 2002; 40: S36S42.
  • 26
    Cooper GS, Yuan Z, Stange KC, Amini SB, Dennis LK, Rimm AA. Agreement of Medicare claims and tumor registry data for assessment of cancer related treatment. Med Care. 2000; 38: 411421.
  • 27
    Cooper GS, Chak A, Lloyd LE, Hammar PJ, Harper DL, Rosenthal GE. The accuracy of diagnosis and procedural codes for patients with upper gastrointestinal hemorrhage. Gastrointest Endosc. 2000; 51: 423426.
  • 28
    Romano PS, Luft HS. Getting the most out of messy data: problems and approaches for dealing with large administrative data sets. In: GradyML, SchwartzHA, editors. Medical effectiveness research data methods. Rockville, MD: U.S. Public Health Service, 1992.
  • 29
    Fisher ES, Whaley FS, Krushat WM, et al. The accuracy of Medicare's hospital claims data: progress has been made, but problems remain. Am J Public Health. 1992; 82: 243248.
  • 30
    Baranovsky A, Myers MH. Cancer incidence and survival in patients 65 years of age and older. CA Cancer J Clin. 1986; 36: 2641.
  • 31
    Murgolo MS. Comparison of Medicare risk HMO and FFS enrollees. Health Care Financ Rev. 2002; 24: 177185.