Clinical Study

Effects of Low-Dose and Long-Term Treatment with Erythromycin on Interleukin-17 and Interleukin-23 in Peripheral Blood and Induced Sputum in Patients with Stable Chronic Obstructive Pulmonary Disease

Figure 4

The effect of erythromycin on six-minute walk distance (6MWD, m) in chronic obstructive pulmonary disease patients at baseline and after 3, 6, 9, and 12 months of treatment. Erythromycin did significantly improve the 6MWD after 6, 9, and 12 months of treatment in group A (all values < .05) and after 6 months of treatment in group B () compared to the placebo-treated group.