Mortality in Non-cystic Fibrosis Bronchiectasis

Inclusion Criteria: * Patients with clinically significant and radiologically proven bronchiectasis * Chest CT scan confirming the presence of bronchiectatic lesions and had symptoms of chronic productive cough * Bronchiectasis was deemed to be present if there was one or more of the following criteria: a bronchoarterial ratio greater than 1, lack of tapering of the bronchi and visualization of bronchi within 1 cm of costal or paravertebral pleura or abutting the mediastinal pleura Exclusion Criteria: * diagnosis of cystic fibrosis * underlying tumoral problem causing the bronchiectatic lesions (postradiotherapy, secondary immunodeficiency due to chemotherapy or postinfectious due to tumoral obstruction) * patients with asymptomatic traction bronchiectasis caused by interstitial lung disease