Research Article

Association of Upon-Diagnosis Blood Eosinophilic Count with Frequency and Severity of Annual Exacerbation in Chronic Obstructive Pulmonary Disease: A Prospective Longitudinal Analysis

Figure 3

Correlation of blood eosinophilic count with episodes of COPD within a year using the polynomial regression model adjusted for COPD medications (beta agonist, anticholinergics, inhaler corticosteroids, and home oxygenation support).