Diabetes, Type 2 (2012)

    Full Guidelines

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    Additional Documents

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    Endorsements

    College of Family Physicians of Canada

    This Clinical Practice Guideline has been endorsed by the College of Family Physicians of Canada.

    Guideline Update

    The guideline has been updated to incorporate the latest evidence from a large randomized controlled trial that was published on October 4, 2012—two weeks before publication of the print issue.

    Although the electronic version of the CTFPHC guideline that is available on the Canadian Medical Association Journal (CMAJ) website is correct, the version that was included in the print issue of CMAJ on October 16, 2012 was already at the printers when the new trial was released and is now outdated.

    A corrected reprint was mailed to CMAJ subscribers on November 6, 2012.

     

    Summary of recommendations for clinicians and policy-makers

    Recommendations are presented for screening asymptomatic adults for type 2 diabetes. They do not apply to people with symptoms of diabetes or those at risk of type 1 diabetes.

    The CTFPHC will continue to carefully monitor the scientific development in diabetes screening and report back to Canadians within 5 years with an update of the 2012 Diabetes Screening guideline.

     

    Recommendations

    • For adults at low to moderate risk of diabetes (determined with a validated risk calculator1 2), we recommend not routinely screening for type 2 diabetes.
      (Weak recommendation; low-quality evidence)
    • For adults at high risk of diabetes (determined with a validated risk calculator3 4), we recommend routinely screening every 3–5 years with A1C5.
      (Weak recommendation; low-quality evidence)
    • For adults at very high risk of diabetes (determined with a validated risk calculator6 7), we recommend routine screening annually with A1C8.
      (Weak recommendation; low-quality evidence)