Standardised mortality ratiosBMJ 2009; 338 doi: https://doi.org/10.1136/bmj.b2005 (Published 20 May 2009) Cite this as: BMJ 2009;338:b2005
- John Fletcher, clinical epidemiologist
- 1BMJ, London WC1H 9JR
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 …