Anaemia may render HbA1c tests unreliable

ANAEMIA may make HbA1c tests for diabetes unreliable, and doctors should consider this possibility before monitoring and diagnosing in certain groups, researchers say.

An analysis of studies from 1990 to 2014 finds it is common for HbA1c values to be increased in participants with iron deficiency and iron-deficiency anaemia, without an increase in blood glucose.

“HbA1c is likely to be affected by iron deficiency and iron-deficiency anaemia with a spurious increase in HbA1c values. This may lead to confusion when diagnosing