Kerkhof, MarjanFreeman, DarylJones, RupertChisholm, AlisonPrice, David B2015-11-112015-11-112015-11-09Kerkhof, M, Freeman, D, Jones, R, Chisholm, A & Price, D B 2015, 'Predicting frequent COPD exacerbations using primary care data', International journal of chronic obstructive pulmonary disease , vol. 10, no. 1, pp. 2439-2450. https://doi.org/10.2147/COPD.S942591176-9106http://hdl.handle.net/2164/5184This study was funded by an unrestricted grant from the Respiratory Effectiveness Group (REG; www.effectivenessevaluation.org). Access to data from the Optimum Patient Care Research Database was co-funded by Research in Real-Life Ltd (RiRL, Cambridge, UK). The authors would like to thank Dr John Bukowski of WordsWorld Consulting for editorial assistance drafting this manuscript. Additional editorial support was provided by Elizabeth V Hillyer, DVM, funded by RiRL.12556831engpredictionrisk factormodelvalidationFEV1R MedicineRPredicting frequent COPD exacerbations using primary care dataJournal article10.2147/COPD.S94259https://www.dovepress.com/articles.php?article_id=24554101