Fig. 1From: Effect of pirfenidone in patients with more advanced idiopathic pulmonary fibrosisMean percent predicted FVC over time by IPF severity at baseline in RECAP. *Patients with missing percent predicted FVC and DLco values were excluded. FVC Forced vital capacity, DLco Carbon monoxide diffusing capacity, IPF Idiopathic pulmonary fibrosis, SD Standard deviationBack to article page