Letters

Positive predictive value of tests for breast disease

BMJ 1995; 310 doi: http://dx.doi.org/10.1136/bmj.310.6975.331a (Published 04 February 1995) Cite this as: BMJ 1995;310:331
  1. James W T Chalmers,
  2. David Breen
  1. Consultant in public health medicine Consultant in public health medicine Dumfries and Galloway Health Board, Dumfries DG1 2SD

    EDITOR,—J M Dixon and R E Mansell attempt to clarify the utility of various diagnostic tests for symptomatic breast diseases.1 Unfortunately, their use of the positive predictive value in this context is misleading since it can refer only to the situation in a specialist breast clinic and is …

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