blood pressure is related with stroke occurrence. Links of amplified visit-to-visit variability in blood pressure and the connection between inconsistency and all-cause death were observed during the study, utilizing information on adults from the U.S. older than 20 years of age from the Third National Health and Nutrition Examination Survey. The number taken from the survey was 956. From that number, three successive blood pressure readings, taken from among a duration of three isolated study visits during the time range of 1988- 1994 were recorded.

The authors used standard deviation and coefficient of variation, to understand and define the mean derived from the second and third visits and their subsequent measurements. Evaluation of death was performed all the way until December 31, 2006 with the number of deaths labeled 240. The median follow up was fourteen years. 7.7 mm Hg was the determined mean of the standard deviation when it...
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