Figure 3From: The prevalence of increased serum IgE and Aspergillus sensitization in patients with COPD and their association with symptoms and lung functionRelationship between T-IgE and ratio of dyspnea history to chronic cough/sputum history in 273 patients. *Correlation between log10 (T-IgE) and ratio of dyspnea history to chronic cough/sputum history.Back to article page