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Iron deficiency may lead to false diagnosis of diabetes

BMJ 2015; 350 doi: (Published 14 May 2015) Cite this as: BMJ 2015;350:h2583
  1. Jacqui Wise
  1. 1London

Anaemia can lead to a false diagnosis of diabetes by distorting readings of glycated haemoglobin (HbA1c) concentrations, concludes a systematic review of the evidence published in Diabetologia.1

The World Health Organization and the American Diabetes Association both recommend using HbA1c levels to diagnose type 2 diabetes, at a value of 6.5% (48 mmol/mol). This same cut-off level is also used in the United Kingdom and most of Europe.

Emma English from the University of …

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