Figures & data
Figure 1 The time schedule of the Czech Multicentre Research Database of Severe COPD.
Abbreviation: COPD, chronic obstructive pulmonary disease.
![Figure 1 The time schedule of the Czech Multicentre Research Database of Severe COPD.](/cms/asset/974c47d6-e321-401f-a7f0-380a423d6637/dcop_a_71828_f0001_c.jpg)
Table 1 Data collection scheme
Table 2 Tracked comorbidities and their treatment
Table 3 Definitions of clinical phenotypes used in this study