  Citation: Gajecki, D.; Doroszko, A.; Trocha, M.; Giniewicz, K.; Kujawa, K.; Skarupski, M.; Gawry´ s, J.; Matys, T.; Szahidewicz-Krupska, E.; Rola, P.; et al. Usefulness of the C 2 HEST Score in Predicting the Clinical Outcomes of COVID-19 in Diabetic and Non-Diabetic Cohorts. J. Clin. Med. 2022, 11, 873. https://doi.org/ 10.3390/jcm11030873 Academic Editor: Jose-Manuel Ramos-Rincon Received: 22 January 2022 Accepted: 5 February 2022 Published: 7 February 2022 Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affil- iations. Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). Journal of Clinical Medicine Article Usefulness of the C 2 HEST Score in Predicting the Clinical Outcomes of COVID-19 in Diabetic and Non-Diabetic Cohorts Damian Gajecki 1,† , Adrian Doroszko 1, * ,† , Malgorzata Trocha 2 , Katarzyna Giniewicz 3 , Krzysztof Kujawa 3 , Marek Skarupski 4 , Jakub Gawry´ s 1 , Tomasz Matys 1 , Ewa Szahidewicz-Krupska 1 , Piotr Rola 5 , Barbara Stachowska 6 , Jowita Halupczok- ˙ Zyla 6 , Barbara Adamik 7 , Krzysztof Kaliszewski 8 , Katarzyna Kilis-Pstrusinska 9 , Krzysztof Letachowicz 10 , Agnieszka Matera-Witkiewicz 11 , Michal Pomorski 12 , Marcin Protasiewicz 13 , Marcin Madziarski 14 , Klaudia Konikowska 15 , Agata Remiorz 16 , Maja Orlowska 17 , Krzysztof Proc 18 , Malgorzata Szymala-Pedzik 19 , Joanna Zorawska 19 , Karolina Lindner 19 , Janusz Sokolowski 20 , Ewa A. Jankowska 21,22,‡ and Katarzyna Madziarska 10,‡ 1 Clinical Department of Internal Medicine, Hypertension and Clinical Oncology, Faculty of Medicine, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; damian.gajecki@umw.edu.pl (D.G.); jakub.gawrys@umw.edu.pl (J.G.);tomasz.matys@umw.edu.pl (T.M.); ewa.szahidewicz-krupska@umw.edu.pl (E.S.-K.) 2 Department of Pharmacology, Faculty of Medicine, Wroclaw Medical University, Mikulicz-Radecki Street 2, 50-345 Wroclaw, Poland; malgorzata.trocha@umw.edu.pl 3 Statistical Analysis Centre, Wroclaw Medical University, K. Marcinkowski Street 2-6, 50-368 Wroclaw, Poland; katarzyna.giniewicz@umw.edu.pl (K.G.); krzysztof.kujawa@umw.edu.pl (K.K.) 4 Faculty of Pure and Applied Mathematics, Wroclaw University of Science and Technology, Wybrze˙ ze Wyspia ´ nskiego Street 27, 50-370 Wroclaw, Poland; marek.skarupski@pwr.edu.pl 5 Department of Cardiology, Provincial Specialized Hospital, Iwaszkiewicza 5 Street, 59-220 Legnica, Poland; piotr.rola@gmail.com 6 Clinical Department of Endocrinology, Diabetes and Isotope Therapy, Faculty of Medicine, Wroclaw Medical University, Ludwik Pasteur 4, 50-367 Wroclaw, Poland; barbara.stachowska@umw.edu.pl (B.S.); jowitahz@gmail.com (J.H.- ˙ Z.) 7 Clinical Department of Anaesthesiology and Intensive Therapy, Faculty of Medicine, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; barbara.adamik@umw.edu.pl 8 Department of General, Minimally Invasive and Endocrine Surgery, Faculty of Medicine, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; krzysztof.kaliszewski@umw.edu.pl 9 Clinical Department of Paediatric Nephrology, Faculty of Medicine, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; katarzyna.kilis-pstrusinska@umw.edu.pl 10 Clinical Department of Nephrology and Transplantation Medicine, Faculty of Medicine, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; krzysztof.letachowicz@umw.edu.pl (K.L.); konrad.majchrzak@gmail.com or katarzyna.madziarska@umw.edu.pl (K.M.) 11 Laboratory of Biological Activity Tests and Collection of Biological Material, Wroclaw Medical University, Borowska Street 211A, 50-556 Wroclaw, Poland; agnieszka.matera-witkiewicz@umw.edu.pl 12 Clinical Department of Gynecology and Obstetrics, Faculty of Medicine, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; michal.pomorski@umw.edu.pl 13 Clinical Department and Clinic of Cardiology, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; marcin.protasiewicz@umw.edu.pl 14 Clinical Department of Rheumatology and Internal Medicine, Faculty of Medicine, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; madziarski.marcin@gmail.com 15 Department of Dietetics, Wroclaw Medical University, Parkowa Street 34, 51-616 Wroclaw, Poland; klaudia.konikowska@umw.edu.pl 16 Clinical Department of Nephrology and Transplantation Medicine, Wroclaw University Hospital, Borowska Street 213, 50-556 Wroclaw, Poland; agata.remiorz@gmail.com 17 Department of Emergency Medicine, Wroclaw University Hospital, Borowska Street 213, 50-556 Wroclaw, Poland; majaorlowska@gmail.com 18 Clinical Department of Rheumatology and Internal Medicine, Wroclaw University Hospital, Borowska Street 213, 50-556 Wroclaw, Poland; kproc@usk.wroc.pl 19 Clinical Department of Geriatrics, Wroclaw Medical University, Pasteur 4 Street, 50-367 Wroclaw, Poland; Malgorzata.szymala-pedzik@umw.edu.pl (M.S.-P.); Joanna.zorawska@umed.wroc.pl (J.Z.); karolina.lindner@umw.edu.pl (K.L.) 20 Department of Emergency Medicine, Faculty of Medicine, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland; janusz.sokolowski@umw.edu.pl J. Clin. Med. 2022, 11, 873. https://doi.org/10.3390/jcm11030873 https://www.mdpi.com/journal/jcm