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Archived Comments for: Can bile duct injuries be prevented? "A new technique in laparoscopic cholecystectomy"

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  1. Can bile duct injuries be prevented? A grossly underpowered study.

    P Sufi, East Somerset NHS Trust

    4 July 2005

    This study is not powered to detect bile duct injuries (BDI). If we assume that BDI incidence is around 0.5%, then a study population of 46 patients can not realistically detect any difference in the BDI rate.

    Competing interests

    None declared

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