National Survey of Colorectal Cancer Screening Practices
Colorectal cancer (CRC) is the second leading cause of death from cancer in the US, with 147,500 new cases and 57,000
deaths projected for 2003. In the late 1990s, evidence emerging from clinical studies prompted several groups to issue
or revise recommendations for CRC screening. Using varying approaches to evaluating evidence and formulating recommendations,
these groups' guidelines differ somewhat in CRC screening modalities they support as well as the frequency with which
recommended modalities should be applied. Nevertheless, a consensus has emerged that average-risk adults aged 50 years
and older should be screened for CRC. Despite evidence in support of screening guidelines, national surveys indicate
that the majority of adults aged 50 and older have never been screened for this disease. There are no recent national
studies of physician knowledge, attitudes, and practices regarding CRC screening and no systematic research regarding
health plans' screening recommendations, guidelines, and policies.
To address these knowledge gaps, the National Survey of Colorectal Cancer Screening Practices was launched in 1999
by the NCI in collaboration with the Centers for Disease Control and Prevention and
the Centers for Medicare and Medicaid Services (see Study
Objective and Research Questions).
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National Survey of Colorectal Cancer Screening Practices:
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