Statistical question

Incidence and prevalence

BMJ 2009; 338 doi: 10.1136/bmj.b1695 (Published 29 April 2009)
Cite this as: BMJ 2009;338:b1695

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  1. John Fletcher, clinical epidemiologist
  1. 1BMJ, London WC1H 9JR
  1. jfletcher{at}bmj.com

    The average survival after a diagnosis of multiple sclerosis is much longer than after a diagnosis of cervical cancer. They both have about the same incidence of five per 100 000 per year, although this varies with geography and demography. In a large population …

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