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Morning Salivary Cortisol in Young Children: Reference Values and the Effects of Age, Sex, and Acute Bronchiolitis

Objective To identify morning salivary cortisol reference values in infancy and at 2 years of age and to investigate the influence of age, sex and acute bronchiolitis. Study design In this South-East Norwegian cohort study, 308 children hospitalized with moderate to severe acute bronchiolitis in inf...

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Published in:The Journal of pediatrics 2017-05, Vol.184, p.193-198.e3
Main Authors: Rolfsjord, Leif Bjarte, MD, Bakkeheim, Egil, M.D, PhD, Berents, Teresa Løvold, MD, Alm, Johan, MD, PhD, Skjerven, Håvard Ove, MD, PhD, Carlsen, Kai-Håkon, MD, PhD, Mowinckel, Petter, MSc, Sjöbeck, Ann-Christine, BSc, Carlsen, Karin Cecilie Lødrup, MD, PhD
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Language:English
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Summary:Objective To identify morning salivary cortisol reference values in infancy and at 2 years of age and to investigate the influence of age, sex and acute bronchiolitis. Study design In this South-East Norwegian cohort study, 308 children hospitalized with moderate to severe acute bronchiolitis in infancy in 2010-2011 were compared with 223 healthy controls included in 2012 by measuring morning salivary cortisol levels at inclusion and at 2 years of age. Samples were collected shortly after awakening after 6 am . The influences of age, sex, and acute bronchiolitis were assessed by regression analysis. Results In infancy, cortisol values were higher in acute bronchiolitis, with an age- and sex-adjusted weighted mean group difference of 13.9 nmol/L (95% CI 8.1-19.7; P  
ISSN:0022-3476
1097-6833
1097-6833
DOI:10.1016/j.jpeds.2017.01.064