How to measure renal function in clinical practice: Age affects estimated glomerular filtration rate

doi:10.1136/bmj.333.7574.918

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Sunil Bhandari, consultant nephrologist (sunil.bhandari@hey.nhs.uk)

Hull and East Yorkshire Hospital NHS Trust

EDITOR—I read the overview by Traynor et al regarding how to measure renal function.1 Especially for primary care doctors, an abnormal estimated glomerular filtration rate in patients older than 70 may be normal and estimates below an MDRD (modification of …