Fig. 3From: Which bronchodilator reversibility criteria can predict severe acute exacerbation in chronic obstructive pulmonary disease patients?Risk of severe acute exacerbation according to BDR criteria including subgroup analysis according to ICS/LABA use. aOR adjusted odds ratio, CI confidence interval BDR bronchodilator reversibility, MPR medication possession ratio, ICS/LABA inhaled corticosteroid/long-acting beta-agonist, LAMA long-acting muscarinic antagonist, FEV1 forced expiratory volume in one second, FVC forced vital capacity *with a statistical significance of p-value <0.05 Back to article page