Symptoms and signs in RB-ILD versus IPF

Clinical symptoms and signs at presentation in 18 patients with respiratory bronchiolitis-associated interstitial lung disease (RB-ILD) compared to 59 patients with idiopathic pulmonary fibrosis (IPF). Cough and dyspnea were the most common presenting symptoms in both patient groups. Rales were common findings on physical examination in RB-ILD, whereas clubbing was rarely seen.