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Fig. 1 | Respiratory Research

Fig. 1

From: Eligibility of real-life patients with COPD for inclusion in trials of inhaled long-acting bronchodilator therapy

Fig. 1

Selection of clinical trials. Flow chart showing the criteria and stepwise selection process of eligible randomised controlled trials (RCTs). Search parameters are outlined in the supplementary methods. Abbreviations: COPD = chronic obstructive pulmonary disease; FDC = fixed-dose combination; ICS = inhaled corticosteroids; LA-BD = long-acting bronchodilator; LABA = long-acting β-agonist; LAMA = long-acting muscarinic antagonist; PDE-4 = phosphodiesterase-4; RCT = randomised controlled trial

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Respiratory Research

ISSN: 1465-993X

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