Why the study?
The variability and spontaneous changes of blood pressure in a general population and hypertensive subjects were not fully characterized.
Observational (n=5,852)
Answers are grounded in this paper and cite their sources.
In a Northern Italian population, hypertension prevalence was 29.5%, and longitudinal follow-up demonstrated significant regression to the mean, highlighting the importance of accounting for blood pressure variability in community control programs.
Blood pressure has been measured in a random sample of 5852 subjects (both sexes, 20-64 years old). The prevalence of hypertension (blood pressure greater than or equal to 160 mmHg and/or 95 mmHg; 150 mmHg and/or 90 mmHg under the age of 30 years) was 29-5%. 2. In a cohort of 972 detected hypertensive subjects, longitudinal changes (2 and 5 months after the initial examination) were evaluated. The phenomenon of regression toward the mean value was evident. 3. The implications of the variability of blood pressure in a community control programme of hypertension are discussed.
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Ambrosio et al. (1976) conducted an observational in Hypertension (n=5,852). Blood pressure variability was evaluated on Prevalence of hypertension.
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