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Predictive Value of Cumulative Blood Pressure for All-Cause Mortality and Cardiovascular Events.

Predictive Value of Cumulative Blood Pressure for All-Cause Mortality and Cardiovascular Events.
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Wang YX, Song L, Xing AJ, Gao M, Zhao HY, Li CH, Zhao HL, Chen SH, Lu CZ, Wu SL,


Wang YX, Song L, Xing AJ, Gao M, Zhao HY, Li CH, Zhao HL, Chen SH, Lu CZ, Wu SL, (click to view)

Wang YX, Song L, Xing AJ, Gao M, Zhao HY, Li CH, Zhao HL, Chen SH, Lu CZ, Wu SL,

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Scientific reports 2017 02 077() 41969 doi 10.1038/srep41969
Abstract

The predictive value of cumulative blood pressure (BP) on all-cause mortality and cardiovascular and cerebrovascular events (CCE) has hardly been studied. In this prospective cohort study including 52,385 participants from the Kailuan Group who attended three medical examinations and without CCE, the impact of cumulative systolic BP (cumSBP) and cumulative diastolic BP (cumDBP) on all-cause mortality and CCEs was investigated. For the study population, the mean (standard deviation) age was 48.82 (11.77) years of which 40,141 (76.6%) were male. The follow-up for all-cause mortality and CCEs was 3.96 (0.48) and 2.98 (0.41) years, respectively. Multivariate Cox proportional hazards regression analysis showed that for every 10 mm Hg·year increase in cumSBP and 5 mm Hg·year increase in cumDBP, the hazard ratio for all-cause mortality were 1.013 (1.006, 1.021) and 1.012 (1.006, 1.018); for CCEs, 1.018 (1.010, 1.027) and 1.017 (1.010, 1.024); for stroke, 1.021 (1.011, 1.031) and 1.018 (1.010, 1.026); and for MI, 1.013 (0.996, 1.030) and 1.015 (1.000, 1.029). Using natural spline function analysis, cumSBP and cumDBP showed a J-curve relationship with CCEs; and a U-curve relationship with stroke (ischemic stroke and hemorrhagic stroke). Therefore, increases in cumSBP and cumDBP were predictive for all-cause mortality, CCEs, and stroke.

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