Letter

Predictors of postmenopausal osteoporosis: Study methods and analysis require clarification

BMJ 2003; 327 doi: https://doi.org/10.1136/bmj.327.7411.392 (Published 14 August 2003) Cite this as: BMJ 2003;327:392
  1. Joseph Wong, medical student,
  2. Vivien Wong, medical student,
  3. Tom Fahey (t.p.fahey@dundeeac.uk), professor of primary care medicine,
  4. Peter Brindle, Wellcome fellow in health services research,
  5. Alastair Hay, clinical lecturer in primary health care
  1. University of Dundee, Dundee DD6 8DX
  2. University of Bristol

    EDITOR—Hodson and Marsh say that ultra-sound may be a promising screening or diagnostic test for detecting osteoporosis.1 Clarification is necessary before their findings can be accepted. Their population, selected on the basis of perceived risk, has a higher risk (16%) than would normally be expected in primary care (4%).2 Interpretation of diagnostic data …

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