Voorham, JacoBaldi, SimonettaSantoro, LuigiKerkhof, MarjanContoli, MarcoKerstjens, Huib AMLopez-Campos, José LuisRoche, NicolasSingh, DaveVogelmeier, Claus FPrice, David B2020-10-292020-10-292020-10-29Voorham, J, Baldi, S, Santoro, L, Kerkhof, M, Contoli, M, Kerstjens, H AM, Lopez-Campos, J L, Roche, N, Singh, D, Vogelmeier, C F & Price, D B 2020, 'Extrafine Beclometasone Dipropionate/Formoterol Fumarate vs Double Bronchodilation Therapy in Patients with COPD : A Historical Real-World Non-Inferiority Study', International journal of chronic obstructive pulmonary disease , vol. 2020, no. 15, pp. 2739—2750. https://doi.org/10.2147/COPD.S2692871176-9106https://hdl.handle.net/2164/15293Acknowledgments: Dave Singh is supported by the National Institute for Health Research (NIHR) Manchester Biomedical Research Centre (BRC). Writing and editorial support was provided by Dr Julia Granerod, supported by the Observational and Pragmatic Research Institute Pte. Ltd (OPRI). Data Sharing Statement The dataset supporting the conclusions of this article was derived from the Optimum Patient Care Research Database (www.opcrd.co.uk). The OPCRD has ethical approval from the National Health Service (NHS) Research Authority to hold and process anonymised research data (Research Ethics Committee reference: 15/EM/0150). This study was approved by the Anonymised Data Ethics Protocols and Transparency (ADEPT) committee – the independent scientific advisory committee for the OPCRD. The authors do not have permission to give public access to the study dataset; researchers may request access to OPCRD data for their own purposes. Access to OCPRD can be made via the OCPRD website (https://opcrd.co.uk/our-database/data-requests/) or via the enquiries email info@opcrd.co.uk.12821067engSDG 3 - Good Health and Well-beingreal-worldelectronic health recordsobservationalcomparative effectivenessheterogeneitychronic obstructive pulmonary diseaseHeterogeneityComparative effectivenessObservationalReal-worldChronic obstructive pulmonary diseaseElectronic health recordsR MedicinePublic Health, Environmental and Occupational HealthHealth PolicyPulmonary and Respiratory MedicineNational Institute for Health Research (NIHR)RJournal article10.2147/COPD.S269287http://www.scopus.com/inward/record.url?scp=85094631173&partnerID=8YFLogxK15