Why the study?
Does cusums analysis improve the reproducibility of circadian SBP variation assessment compared to fixed time analysis in elderly subjects?
Does cusums analysis improve the reproducibility of circadian SBP variation assessment compared to fixed time analysis in elderly subjects?
Cusums-based measures of circadian blood pressure variation are more reproducible than fixed time definitions of dipping status in the elderly.
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Fixed-time dipping status remains unreliable for elderly patients; hypothesis-generating for cusums-based circadian BP assessment pending validation trials.
James et al. (1995) studied this question.
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