Fig. 2From: Effect of timing of bronchodilator therapy initiation on exacerbations in patients with chronic obstructive pulmonary disease: a retrospective cohort studyAnalysis population. All values are n or n (%). COPD chronic obstructive pulmonary disease, EMR electronic medical record, ICD-10 International Statistical Classification of Diseases and Related Health Problems, 10th Revision, ICS inhaled corticosteroid, LABA long-acting β2-agonist, LAMA long-acting muscarinic antagonist, RWD-DB Real World Data database, SABA short-acting β2-agonist, SAMA short-acting muscarinic antagonistBack to article page