Fig. 1From: Characteristics, disease burden and costs of COPD patients in the two years following initiation of long-acting bronchodilators in UK primary careCohort development algorithm. Algorithm to identify patients for inclusion in the current retrospective cohort study from the CPRD database. COPD, chronic obstructive pulmonary disease; LABA, long-acting beta2-agonist; LAMA, long acting muscarinic antagonist; LABD, long-acting bronchodilator; ICS, inhaled corticosteroidBack to article page