Stability of Asthma Symptom Control in a Longitudinal Study of Mild-Moderate Asthmatics

The Journal of Allergy and Clinical Immunology. in Practice
Kate M JohnsonMohsen Sadatsafavi

Abstract

Achieving and maintaining symptom control is a primary goal of asthma management. Although factors associated with the likelihood of achieving symptom control have been studied, there are unanswered questions on the stability of symptom control, that is, the tendency of individuals to remain at a given symptom control level over time. The objective of this study was to evaluate the stability of symptom control using a longitudinal cohort of mild-moderate asthmatics. Participants reported symptom control using the Global Initiative for Asthma criteria at 5 assessments during the 1-year follow-up period. We described variability in the stability of symptom control between individuals, and used a random-effects logistic regression model to evaluate the impact of a suite of factors on the stability of symptom control. A total of 429 individuals (67% female, mean age 51.6) contributed 2141 study visits. Individuals varied from completely stable in symptom control (18% remained at the same control level in all 5 visits) to completely unstable (12% changed the control level between all subsequent visits). Only 4% of between-individual variation in the stability of symptom control was explained by the included exposures, and a secondar...Continue Reading

Citations

Oct 21, 2017·Respirology : Official Journal of the Asian Pacific Society of Respirology·Fanny Wai-San Ko, David Shu-Cheong Hui
Oct 20, 2017·Annals of the American Thoracic Society·Mindy K RossMihaela van der Schaar
Oct 12, 2019·The European Respiratory Journal·Alexandra L DimaUNKNOWN Members of the ASTRO-LAB group were:
Aug 20, 2020·The Journal of Asthma : Official Journal of the Association for the Care of Asthma·Alex D FedermanJuan P Wisnivesky
Jul 12, 2018·Respirology : Official Journal of the Asian Pacific Society of Respirology·Susanna S S NgDavid S C Hui

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