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Endgames Statistical question

Standardised mortality ratios

BMJ 2009; 338 doi: (Published 20 May 2009) Cite this as: BMJ 2009;338:b2005
  1. John Fletcher, clinical epidemiologist
  1. 1BMJ, London WC1H 9JR
  1. jfletcher{at}

    The standardised mortality ratio for a certain town, using England and Wales as the standard, is reported as 70. Which of the following statements, if any, are true?

    • a) The low standardised mortality ratio could be because the average age of the town’s population is low

    • b) The death rate in each age band is 70% of that seen …

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