Primary Immun Deficiency in Patients with Non-Cystic Fibrosis Bronchiectasis and Its Relationship with Clinical Parameters.

Humoral aberrations in adult patients with NCFB were found to be frequent. IgE levels were related to high scores for disease severity indices. Furthermore, patients with low percentage and counts of NK cells had higher rates of exacerbations. These results emphasize the importance of immune function assessment in adult patients with NCFB.