Figures & data
Table 1 Baseline characteristics of included patients with COPD and mild-to-moderate airflow limitation
Figure 1 Exacerbation rate of COPD according to the GOLD classification and severity of airflow limitation during the first year of follow-up.
![Figure 1 Exacerbation rate of COPD according to the GOLD classification and severity of airflow limitation during the first year of follow-up.](/cms/asset/eb620edf-0c19-4228-9fe7-05e38a2a03e4/dcop_a_105583_f0001_c.jpg)
Table 2 Comparison of baseline characteristics between patients with experience of COPD exacerbation and those without
Table 3 Comparison of self-reported comorbidities and past medical histories between patients with a history of COPD exacerbation and those without
Table 4 Logistic regression model for the risk factors for COPD exacerbation