Relationship of Serum Levels of IL-17, IL-18, TNF-α, and Lung Function Parameters in Patients with COPD, Asthma-COPD Overlap, and Bronchial Asthma

Table 2

Correlations between the serum levels of IL-17, IL-18, and TNF-α in all examined patients with COPD, asthma-COPD overlap, and bronchial asthma.

	COPD		ACO		BA		All examined patients
	IL-18	TNF-α	IL-18	TNF-α	IL-18	TNF-α	IL-18	TNF-α
IL-17
IL-18

: correlation coefficient; COPD: chronic obstructive pulmonary disease; ACO: asthma-COPD overlap; BA: bronchial asthma.