Evans, AlexanderTarabichi, YasirPace, Wilson D.Make, BarryBushell, NicholasCarter, VictoriaChang, Ku-LangFox, ChesterHan, MeiLan K.Kaplan, AlanW. H. Kocks, JanwillemLe Lievre, Chantal E.Roussos, AlexanderSkolnik, NeilSoriano, Joan B.Yawn, Barbara PPrice, David2024-12-162024-12-162024-12-13Evans, A, Tarabichi, Y, Pace, W D, Make, B, Bushell, N, Carter, V, Chang, K-L, Fox, C, Han, M K, Kaplan, A, W. H. Kocks, J, Le Lievre, C E, Roussos, A, Skolnik, N, Soriano, J B, Yawn, B P & Price, D 2024, 'Preserved Ratio Impaired Spirometry in US Primary Care Patients Diagnosed with Chronic Obstructive Pulmonary Disease.', Pragmatic and Observational Research, vol. 2024, no. 15, pp. 221-232. https://doi.org/10.2147/POR.S4787211179-7266https://hdl.handle.net/2164/24765We would also like to acknowledge Shilpa Suresh (MSc) and Thuy Tien Vuong (BSc) of the Observational and Pragmatic Research Institute (OPRI), Singapore, for editorial and formatting assistance which supported the development of this publication.121955854engAPEXCOPDPRISmUS primary careCOPD exacerbationsElectronic health recordsPatient reported outcomesR MedicineRJournal article10.2147/POR.S47872115