Clinical and Functional Characteristics of Subjects with Asthma, COPD, and Asthma-COPD Overlap: A Multicentre Study in Vietnam

<div>Flow chart for diagnosis and treatment of study subjects. COPD: chronic obstructive pulmonary disease; FEV<sub>1</sub>: forced expiratory volume in one second; FVC: forced vital capacity; BD: bronchodilator; DLCO: diffusing capacity of the lungs for carbon monoxide; 6MWT: 6-minute walking test; VO<sub>2</sub> max: maximal oxygen consumption test; NO: nitric oxide; SABA: short-acting <i>β</i><sub>2</sub> agonist; LABA: long-acting <i>β</i><sub>2</sub> agonist; LAMA: long-acting muscarinic antagonist; ICS: inhaled corticosteroid; LFT: lung function test.</div>

Canadian Respiratory Journal

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Figure 1

Figure 1: Clinical and Functional Characteristics of Subjects with Asthma, COPD, and Asthma-COPD Overlap: A Multicentre Study in Vietnam 