IL17A and bronchiectasis: Levels of IL-17A from bronchiectasis patients with chronic P. aeruginosa infection (2.58 (1.56, 3.34) n = 8) did not differ significantly from those with intermittent (1.90) (1.17, 3.94) n = 7) or no P. aeruginosa infection (2.14 (0.92, 2.68) n = 26, p = 0.26 by K-W).