ALB and bronchiectasis: Researchers discovered a strong correlation between BMI, ALB, PAB and the bronchiectasis severity index, FACED (F: forced expiratory volume in 1 s [FEV1]; A: age; C: chronic colonization by P. aeruginosa [PA], E: radiological extension [number of pulmonary lobes affected], and D: dyspnea) and clinical symptoms in bronchiectasis patients [26, 29].