Figure 1
From: Extrafine Beclomethasone/formoterol compared to Fluticasone/salmeterol Combination Therapy in COPD
Patient flow. SF: screening failure due to ineligibility; CW: consent withdrawn; EC: development of exclusion criteria; AEs: adverse events; LF: lost to follow-up; PV: protocol violations; OR: other reasons; TF: treatment failure. For some AEs (1 in the BDP/FF group and 2 in the FP/S group) the cause of withdrawn was reported as EC, as stated in the Study Termination Form of the e-CRF.