Research Paper Volume 13, Issue 13 pp 17380—17406

Trajectory patterns of blood pressure change up to six years and the risk of dementia: a nationwide cohort study

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Figure 1. Four latent trajectories of systolic blood pressure (SBP) for Chinese older people. The latent growth mixture model was used to estimate the SBP trajectories. Class 1, normal SBP; class 2, stabilized SBP; class 3, elevated SBP; and class 4, persistently high SBP.