Multiple Circulating Cytokines Are Coelevated in Chronic Obstructive Pulmonary Disease

Figure 3

Median concentrations of 14 cytokines in serum samples from the following groups of subjects: NS (), CS (), COPD S1 (), COPD S2 (), and COPD S3 (). Other details are as described in the legend to Figure 2. Compared to the NS group, cytokines concentrations were significantly higher in the S2 () and S3 () groups; similarly, compared to the CS group, cytokines concentrations were significantly higher in the S2 and S3 groups.