Statistical hypothesis testing

P. Sedgwick

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Article . 2010 . Peer-reviewed

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https://dx.doi.org/10.1136/bmj...

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Statistical hypothesis testing

descriptionPublicationkeyboard_double_arrow_right Article 21 Apr 2010 English Publisher:BMJJournal:BMJ, volume 340, pages c2059-c2059 (issn: 0959-8138, eissn: 1468-5833,

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Authors: P. Sedgwick;

doi: 10.1136/bmj.c2059

Statistical hypothesis testing

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Abstract

A randomised controlled trial evaluated the cost and efficacy of community leg ulcer clinics that used four layer compression bandaging. The control treatment was provision of usual care by district nurses.1 Over the 12 months of follow-up, ulcers healed more quickly in the clinic group than in the control group (P=0.03). Statistical tests were two sided. Which of the following, if any, are true?

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University of London
United Kingdom

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