PMID: 9533413Apr 9, 1998Paper

Limitations of the difference between clinic and daytime blood pressure as a surrogate measure of the 'white-coat' effect. Syst-Eur investigators

Journal of Hypertension
G ParatiG Mancia

Abstract

The difference between clinic and ambulatory average daytime blood pressures is frequently taken as a surrogate measure of the 'white-coat effect' (i.e. the pressor reaction triggered in the patient by the physician's visit). To assess the reproducibility of this difference and its relationship with clinic and average ambulatory daytime blood pressure levels. These issues were addressed with two large groups of subjects in whom both clinic and ambulatory blood pressures were measured, namely 783 outpatients with systolic and diastolic essential hypertension [Group 1, aged 50.8+/-9.4 years (mean +/- SD)], participating in standardized Italian trials of antihypertensive drugs, and 506 elderly patients (group 2, age 71+/-7 years) with isolated systolic hypertension, participating in the European Syst-Eur trial. The clinic-daytime blood pressure difference for the essential systolic and diastolic hypertensive patients (group 1) was 13.6+/-14.3 mmHg for systolic and 9.1+/-8.6 mmHg for diastolic blood pressure (P always < 0.01). This difference for the elderly patients with isolated systolic hypertension (group 2) was 21.2+/-16.0 mmHg for systolic and only 1.3+/-10.2 mmHg for diastolic blood pressure (P < 0.01 and P < 0.05, respectiv...Continue Reading

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Citations

Jun 10, 2011·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Ching-Wei LeeShing-Jong Lin
May 19, 2006·Journal of Human Hypertension·R L AntikainenUNKNOWN Department of Health and Social Security Hypertension Care Computer Project (DHCCP)
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Nov 25, 2003·Diabetic Medicine : a Journal of the British Diabetic Association·UNKNOWN Working Party of the International Diabetes Federation (European Region)
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Nov 5, 2016·Journal of the American College of Cardiology·Giuseppe Mancia, Guido Grassi
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Dec 7, 2005·Journal of Hypertension·Gianfranco Parati, Giuseppe Mancia
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Aug 11, 2015·Journal of Hypertension·Ahmet AdiyamanTheo Thien
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