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Revisiting the association of blood pressure with mortality in oldest old people in China: community based, longitudinal prospective study

BMJ 2018; 361 doi: https://doi.org/10.1136/bmj.k2158 (Published 05 June 2018) Cite this as: BMJ 2018;361:k2158

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Managing blood pressure in older adults

Re: Revisiting the association of blood pressure with mortality in oldest old people in China: community based, longitudinal prospective study

The abstract has a typo, and the figures for the main results are transposed.

"Compared with a systolic blood pressure value of 129
mm Hg, risk of all cause mortality decreased for values
lower than 107 mm Hg (from 1.47 (95% confidence
interval 1.01 to 2.17) to 1.08 (1.01 to 1.17)), and
increased for values greater than 154 mm Hg (from
1.08 (1.01 to 1.17) to 1.27 (1.02 to 1.58))"

To be U shaped, the risk of all cause mortality needs to increase at blood pressures lower than 107, from 1.08 to 1.47, as shown in the main results figure.

Competing interests: No competing interests

08 June 2018
Ben Freedman
Cardiologist
HRI Charles Perkins Centre, Universuty of Sydney
Charles Perkins Centre, Universuty of Sydney