open access

Vol 12, No 1 (2008)
REVIEV
Published online: 2008-01-28
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Regression towards the mean in studies of arterial blood pressure

Łukasz J. Krzych, Małgorzata Kowalska, Jan E. Zejda
Nadciśnienie tętnicze 2008;12(1):49-54.

open access

Vol 12, No 1 (2008)
REVIEV
Published online: 2008-01-28

Abstract

Regression towards the mean (RTM) is a statistical phemonenon that occurs in blood pressure studies independently of the problem or duration of the research, age of the studied population, or the method being used. RTM is observed whenever the study group is not randomized. It is assumed that the less correlated the two variables are the greater the RTM is. The infuence of RTM should be considered mostly in casual blood pressure measurements because of imprecise assessment of the results. Consequently, RTM may be mistakenly attributed to a treatment effect and the prevalence of hypertension. Despite the entire elimination of RTM can be impossible, it is suggested to remind this problem to the reader either in the section of „materials and methods” or „discussion”.

Abstract

Regression towards the mean (RTM) is a statistical phemonenon that occurs in blood pressure studies independently of the problem or duration of the research, age of the studied population, or the method being used. RTM is observed whenever the study group is not randomized. It is assumed that the less correlated the two variables are the greater the RTM is. The infuence of RTM should be considered mostly in casual blood pressure measurements because of imprecise assessment of the results. Consequently, RTM may be mistakenly attributed to a treatment effect and the prevalence of hypertension. Despite the entire elimination of RTM can be impossible, it is suggested to remind this problem to the reader either in the section of „materials and methods” or „discussion”.
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Keywords

regression towards the mean; blood pressure; epidemiology

About this article
Title

Regression towards the mean in studies of arterial blood pressure

Journal

Arterial Hypertension

Issue

Vol 12, No 1 (2008)

Pages

49-54

Published online

2008-01-28

Bibliographic record

Nadciśnienie tętnicze 2008;12(1):49-54.

Keywords

regression towards the mean
blood pressure
epidemiology

Authors

Łukasz J. Krzych
Małgorzata Kowalska
Jan E. Zejda

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