Intended for healthcare professionals

Letters Osteoarthritis excess mortality

Painful limping and early death

BMJ 2011; 342 doi: (Published 05 April 2011) Cite this as: BMJ 2011;342:d2137
  1. Justin P Cobb, professor1
  1. 1Imperial College, London, UK
  1. j.cobb{at}

If people with a painful limp would take more exercise, they would live longer; that is the perverse conclusion of a cohort study and accompanying editorial.1 2 Most people with a painful limp would find this suggestion unhelpful.

Neither article makes much of the overwhelming dominance of age as …

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