Figures & data
Figure 1 Prevalence of overlapping asthma and COPD in studies of varying designs in a cluster analysis (following a systematic literature search).
![Figure 1 Prevalence of overlapping asthma and COPD in studies of varying designs in a cluster analysis (following a systematic literature search).](/cms/asset/f99021ed-47b6-4edc-87b9-a646eb5adcd0/dcop_a_107307_f0001_c.jpg)
Figure 2 Pathophysiology of asthma, COPD, and overlap.
Abbreviations: TGFβ, tumor growth factor β; TH1, T-helper 1; TC1, type 1 cytotoxic T cells.
![Figure 2 Pathophysiology of asthma, COPD, and overlap.](/cms/asset/7d25da6b-7110-46d8-a3ff-df3d3ea3f8a2/dcop_a_107307_f0002_c.jpg)
Table 1 Inflammatory biomarkers in the diagnosis of asthma and COPD
Table 2 Major and minor criteria for the identification of the mixed COPD/asthma phenotype
Table 3 Potential pharmacological and nonpharmacological treatment options in patients with asthma–COPD overlap
Figure 3 Proposed algorithmic approach for patients with overlapping clinical characteristics of asthma and COPD.
![Figure 3 Proposed algorithmic approach for patients with overlapping clinical characteristics of asthma and COPD.](/cms/asset/9a822e1b-603b-48d8-b0fe-a92abf9cacb2/dcop_a_107307_f0003_c.jpg)