Yazar,Esra, Gunluoglu,Gulsah, Arpinar Yigitbas,Burcu, Calikoglu,Mukadder, Gulbas,Gazi, Yılmaz Demirci,Nilgün, Sarioglu,Nurhan, Bozkus,Fulsen, Hoca,Nevin, Ogan,Nalan, Tural Onur,Seda, Turan,Muzaffer, Kosar,Filiz, Akpinar,Evrim, Mete,Burak, Ozturk,Can, Yazar,Esra, Gunluoglu,Gulsah, Arpinar Yigitbas,Burcu, Calikoglu,Mukadder, Gulbas,Gazi, Yılmaz Demirci,Nilgün, Sarioglu,Nurhan, Bozkus,Fulsen, Hoca,Nevin, Ogan,Nalan, Tural Onur,Seda, Turan,Muzaffer, Kosar,Filiz, Akpinar,Evrim, Mete,Burak, and Ozturk,Can
Esra Ertan Yazar,1 Gulsah Gunluoglu,2 Burcu Arpinar Yigitbas,1 Mukadder Calikoglu,3 Gazi Gulbas,4 Nilgün Yılmaz Demirci,5 Nurhan Sarioglu,6 Fulsen Bozkus,7 Nevin Taci Hoca,5 Nalan Ogan,8 Seda Tural Onur,2 Muzaffer Onur Turan,9 Filiz Kosar,2 Evrim Eylem Akpinar,8 Burak Mete,10 Can Ozturk5 1Department of Chest Diseases, Istanbul Medeniyet University, Medical Faculty, Istanbul, Turkey; 2Department of Chest Diseases, Yedikule Chest Disease and Chest Surgery Research and Training Hospital, Istanbul, Turkey; 3Department of Chest Diseases, Mersin University, Medical Faculty, Mersin, Turkey; 4Department of Chest Diseases, Inonu University, Medical Faculty, Malatya, Turkey; 5Department of Chest Diseases, Gazi University, Medical Faculty, Ankara, Turkey; 6Department of Chest Diseases, Balikesir University, Medical Faculty, Balikesir, Turkey; 7Department of Chest Diseases, Kahramanmaras Sutcu Imam University, Medical Faculty, Kahramanmaras, Turkey; 8Department of Chest Diseases, Ufuk University, Medical Faculty, Ankara, Turkey; 9Department of Chest Diseases, Prof Dr, Izmir Katip Celebi University, Atatürk Research and Training Hospital, Izmir, Turkey; 10Department of Public Health Ãukurova University, Medical Faculty, Adana, TurkeyCorrespondence: Esra Ertan Yazar, Istanbul Medeniyet University, Medical Faculty, Department of Chest Diseases, Istanbul, Turkey, Email esraertan76@yahoo.comBackground: Several studies have shown that the risk of mortality due to COVID-19 is high in patients with COPD. However, evidence on factors predicting mortality is limited.Research Question: Are there any useful markers to predict mortality in COVID-19 patients with COPD?.Study Design and Methods: A total of 689 patients were included in this study from the COPET study, a national multicenter observational study investigating COPD phenotypes consisting of patients who were followed up with a spirometry-confirmed COPD diagnosis. Patients were also retrospectively examined in terms