Fig. 2From: Clinical management and acute exacerbations in patients with idiopathic pulmonary fibrosis in Spain: results from the OASIS studyFVC decline at 12 months according to FVC% predicted values at baseline. FVC: forced vital capacity; FVC DECLINE as Relative change: [(Final FVC % predicted – Initial FVC % predicted) / Initial FVC % predicted] × 100Back to article page