September 10, 2025Frontiers in MedicineOpen Access

Association between eosinophil count and prognosis in chronic obstructive pulmonary disease patients

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Discussion

Retrospective cohort study finds increased eosinophil count correlates with higher risks of acute exacerbation and mortality in COPD patients.

Increased eosinophil count is associated with a higher risk of acute exacerbations in COPD patients.
The non-eosinophilic group demonstrated a 1.27-fold lower risk of acute exacerbations compared to the eosinophilic group.
This study utilized Cox proportional hazard models and Kaplan–Meier analysis to evaluate patient outcomes.
The findings suggest monitoring eosinophil levels may help in managing COPD prognosis effectively.

Hsu et al. (2025) studied this question.

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Retrospective cohort study finds increased eosinophil count correlates with higher risks of acute exacerbation and mortality in COPD patients.