BP measure ups drug risk

Measuring BP with equipment that gives results with a zero end-digit increases the risk of unnecessary treatment, say New Zealand researchers.

Assessment of 23,676 patients undergoing assessment for cardiovascular disease (CVD) showed that zero end-digits were recorded in 60 per cent of cases.

One in 41 patients went on to be incorrectly recommended for drug treatment when the information was applied to the Framingham CVD risk score.

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