Why the study?
Does taking two blood pressure measurements per visit reduce measurement variability in individuals with high normal diastolic blood pressure?
Does taking two blood pressure measurements per visit reduce measurement variability in individuals with high normal diastolic blood pressure?
Taking two blood pressure measurements per visit reduces the standard deviation of values by 5%, improving measurement quality and accuracy in hypertension trials.
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Supports dual BP measurements per visit to improve precision in hypertension trials; extends RCT evidence on protocol optimization.
Canner et al. (1991) studied this question.
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