Colorectal cancer screening adherence is higher with fecal immunochemical tests than guaiac-based fecal occult blood tests: a randomized, controlled trial. 2010

Richard M Hoffman, and Susan Steel, and Ellen F T Yee, and Larry Massie, and Ronald M Schrader, and Glen H Murata
Medicine Service, New Mexico VA Health Care System, 1501 San Pedro Drive SE, Albuquerque, NM 87108, USA. rhoffman@unm.edu

OBJECTIVE Determine whether colorectal cancer screening adherence is greater with fecal immunochemical tests (FIT) or guaiac-based fecal occult blood tests (gFOBT). METHODS We used electronic health records to identify 3869 New Mexico Veterans Affairs Health Care System primary care patients due for screening in 2008 for whom fecal blood testing was appropriate. We invited randomly selected patients by mail to participate in a study comparing FIT and gFOBT. We randomly allocated 404 subjects to receive FIT (n=202) or gFOBT (n=202) by mail. We determined the proportion of subjects completing testing within 90days of agreeing to participate in the study. We also used multivariate logistic regression to evaluate screening completion, adjusting for age, gender, race/ethnicity, clinic site, previous gFOBT testing, and co-morbidity. RESULTS Screening adherence was higher with FIT than gFOBT (61.4% vs. 50.5%, P=0.03). The adjusted odds ratio for completing FIT vs. gFOBT was 1.56, 95% CI 1.04, 2.32. CONCLUSIONS In a clinic setting of patients who were due for colorectal cancer screening, adherence was significantly higher with FIT than gFOBT.

UI MeSH Term Description Entries
D007120 Immunochemistry Field of chemistry that pertains to immunological phenomena and the study of chemical reactions related to antigen stimulation of tissues. It includes physicochemical interactions between antigens and antibodies.
D007202 Indicators and Reagents Substances used for the detection, identification, analysis, etc. of chemical, biological, or pathologic processes or conditions. Indicators are substances that change in physical appearance, e.g., color, at or approaching the endpoint of a chemical titration, e.g., on the passage between acidity and alkalinity. Reagents are substances used for the detection or determination of another substance by chemical or microscopical means, especially analysis. Types of reagents are precipitants, solvents, oxidizers, reducers, fluxes, and colorimetric reagents. (From Grant & Hackh's Chemical Dictionary, 5th ed, p301, p499) Indicator,Reagent,Reagents,Indicators,Reagents and Indicators
D008297 Male Males
D008403 Mass Screening Organized periodic procedures performed on large groups of people for the purpose of detecting disease. Screening,Mass Screenings,Screening, Mass,Screenings,Screenings, Mass
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009516 New Mexico State bounded on the north by Colorado, on the east by Oklahoma and Texas, on the south by Texas and Mexico, and on the west by Arizona.
D009780 Occult Blood Chemical, spectroscopic, or microscopic detection of extremely small amounts of blood. Fecal Occult Blood Test,Blood, Occult
D010349 Patient Compliance Voluntary cooperation of the patient in following a prescribed regimen. Client Adherence,Client Compliance,Non-Adherent Patient,Patient Adherence,Patient Cooperation,Patient Noncompliance,Patient Non-Adherence,Patient Non-Compliance,Patient Nonadherence,Therapeutic Compliance,Treatment Compliance,Adherence, Client,Adherence, Patient,Client Compliances,Compliance, Client,Compliance, Patient,Compliance, Therapeutic,Compliance, Treatment,Cooperation, Patient,Non Adherent Patient,Non-Adherence, Patient,Non-Adherent Patients,Non-Compliance, Patient,Nonadherence, Patient,Noncompliance, Patient,Patient Non Adherence,Patient Non Compliance,Patient, Non-Adherent,Therapeutic Compliances,Treatment Compliances
D011320 Primary Health Care Care which provides integrated, accessible health care services by clinicians who are accountable for addressing a large majority of personal health care needs, developing a sustained partnership with patients, and practicing in the context of family and community. (JAMA 1995;273(3):192) Primary Care,Primary Healthcare,Care, Primary,Care, Primary Health,Health Care, Primary,Healthcare, Primary
D011933 Reagent Kits, Diagnostic Commercially prepared reagent sets, with accessory devices, containing all of the major components and literature necessary to perform one or more designated diagnostic tests or procedures. They may be for laboratory or personal use. Diagnostic Reagent Kits,Diagnostic Reagents and Test Kits,Diagnostic Test Kits,In Vitro Diagnostic Device,In Vitro Diagnostic Devices,In Vitro Diagnostic Medical Device,In Vitro Diagnostic Medical Devices,Kits, Diagnostic Reagent,Diagnostic Reagent Kit,Diagnostic Test Kit,Kit, Diagnostic Reagent,Kit, Diagnostic Test,Kits, Diagnostic Test,Reagent Kit, Diagnostic,Test Kit, Diagnostic,Test Kits, Diagnostic

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