Letters

Variant haemoglobin may affect measurements

BMJ 1995; 310 doi: https://doi.org/10.1136/bmj.310.6981.740b (Published 18 March 1995) Cite this as: BMJ 1995;310:740
  1. S Bulusu
  1. Consultant clinical pathologist Newham General Hospital, London E13 8RU

    EDITOR,—We agree that Eric S Kilpatrick and colleagues' study suggests the need for greater standardisation of methods used for estimating glycated haemoglobin concentrations.1 The estimation of glycated haemoglobin in patients with variant haemoglobins also urgently needs standardisation. An external quality assessment of the measurement of glycated haemoglobin in such patients by laboratories in the North West Thames region showed alarming discrepancies in the results obtained (C E Andrew and P …

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