Open Access<p>Blood Eosinophil and Risk of Exacerbation in Chronic Obstructive Pulmonary Disease Patients: A Retrospective Cohort Analysis</p>
Author(s) -
Ming C. Chan,
Yiu-Cheong Yeung,
Ellen Lok Man Yu,
Wai Cho Yu
Publication year - 2020
Publication title -
international journal of chronic obstructive pulmonary disease/international journal of copd
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 67
eISSN - 1178-2005
pISSN - 1176-9106
DOI - 10.2147/copd.s268018
Subject(s) - medicine , exacerbation , eosinophil , copd , odds ratio , gastroenterology , retrospective cohort study , confidence interval , immunology , asthma
Blood eosinophil is a readily available biomarker to reflect the eosinophilic inflammation in chronic obstructive pulmonary disease (COPD) patients, yet its association with exacerbation is inconclusive. It is uncertain which measurement, eosinophil percentage or absolute eosinophil count, should be used and what is the optimal cutoff for exacerbation prediction.