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Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: Relationship of flow-volume curve pattern on pulmonary function test with clinical and radiological features in idiopathic pulmonary fibrosis

Fig. 1

Flow-volume curves of four patients with idiopathic pulmonary fibrosis. a A 68-year-old woman with the convex/concave pattern (A-group; %FVC; 86.1%, %FEV1: 89.3%, and MEF50/MEF25-ratio: 5.27). b A 79-year-old man with the non-convex/concave pattern (B-group; %FVC: 74.1%, %FEV1: 76.6%, and MEF50/MEF25-ratio: 4.31). c An 84-year-old man with the convex/non-concave pattern (C-group; %FVC: 89.0%, %FEV1: 109.2%, and MEF50/MEF25-ratio: 1.99). d A 75-year-old man with the non-convex/non-concave pattern (D-group; %FVC: 82.4%, %FEV1: 77.4%, and MEF50/MEF25-ratio: 3.11)

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BMC Pulmonary Medicine

ISSN: 1471-2466

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