Fig. 4From: Blood eosinophil count, a marker of inhaled corticosteroid effectiveness in preventing COPD exacerbations in post-hoc RCT and observational studies: systematic review and meta-analysisRisk ratio exacerbations COPD patients receiving ICS vs. non-ICS treatment ≥150cells/μL eosinophils (ICS-independent association studies). ES, effect sizeBack to article page