TY - JOUR KW - Humans KW - Adult KW - Retrospective Studies KW - Electronic Health Records KW - Disease Progression KW - *Pulmonary Disease, Chronic Obstructive/diagnosis/epidemiology KW - *Heart Failure AU - H. Whittaker AU - K. Rothnie AU - J. Quint AD - School of Public Health & National Heart and Lung Institute, Imperial College London, London, United Kingdom. Epidemiology, Value Evidence and Outcomes, Global Medical R&D, GSK, London, United Kingdom. AN - 37910484 BT - PLoS One C2 - PMC10619826 employee of and holds shared in GSK plc. This does not alter our adherence to PLOS ONE policies on sharing data and materials. DO - 10.1371/journal.pone.0292876 DP - NLM ET - 2023/11/01 LA - eng M1 - 11 N1 - 1932-6203 Whittaker, Hannah Orcid: 0000-0002-7705-0300 Rothnie, Kieran J Quint, Jennifer K Orcid: 0000-0003-0149-4869 Journal Article Research Support, Non-U.S. Gov't United States PLoS One. 2023 Nov 1;18(11):e0292876. doi: 10.1371/journal.pone.0292876. eCollection 2023. PY - 2023 SN - 1932-6203 EP - e0292876 T2 - PLoS One TI - Exploring the impact of varying definitions of exacerbations of chronic obstructive pulmonary disease in routinely collected electronic medical records VL - 18 ER -