Intended for healthcare professionals

Endgames Statistical question


BMJ 2009; 339 doi: (Published 29 July 2009) Cite this as: BMJ 2009;339:b3007
  1. Philip Sedgwick, senior lecturer in medical statistics
  1. 1Centre for Medical and Healthcare Education, St George’s, University of London, Tooting, London SW17 0RE
  1. p.sedgwick{at}

    In a prospective cohort study, researchers reported that the risk of fatal coronary heart disease was increased for women with diagnosed diabetes compared with women without (relative risk adjusted for age 3.50, 95% confidence interval 2.70 to 4.53). Which of the following statements accurately describes the reported risk of fatal coronary heart disease?

    • a) For women with diagnosed diabetes, the risk of having fatal coronary heart disease is 3.5 times that of women without diagnosed diabetes

    • b) …

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