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Repeat thyroid function tests for healthy older people are not needed

BMJ 2019; 364 doi: (Published 01 March 2019) Cite this as: BMJ 2019;364:l805


NIHR’s research signals in The BMJ

  1. Rob Cook, clinical director1,
  2. Duncan Fortescue-Webb, clinical adviser2,
  3. Rachel Taft, clinical specialist1
  4. on behalf of NIHR Dissemination Centre
  1. 1Bazian, Economist Intelligence Unit healthcare, London, UK
  2. 2Wessex Institute, University of Southampton, Southampton, UK
  1. Correspondence to R Cook rob.cook{at}

The study

Roberts L, McCahon D, Johnson O, Haque MS, Parle J, Hobbs FR. Stability of thyroid function in older adults: the Birmingham Elderly Thyroid Study.

Published on 28 August 2018 Br J Gen Pract 2018;68:e718-26.

This study was funded by the National Institute for Health Research School for Primary Care Research (SPCR).

To read the full NIHR Signal, go to:


  • Competing interests The BMJ has judged that there are no disqualifying financial ties to commercial companies. The authors declare the following other interests: none.

  • Further details of The BMJ policy on financial interests are here:

  • Contributors All authors contributed to development and review of this summary, as part of the wider NIHR Signals editorial team ( RC is guarantor.

  • Disclaimer NIHR Signals are owned by the Department of Health and Social Care and are made available to the BMJ under licence. NIHR Signals report and comment on health and social care research but do not offer any endorsement of the research. The NIHR assumes no responsibility or liability arising from any error or omission or from the use of any information contained in NIHR Signals.

  • Permission to reuse these articles should be directed to disseminationcentre{at}

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