Abstract: Diabetes Care Volume 43, July 2020 Yuchen Chen,1 Dong Yang,1 Biao Cheng,2 Jian Chen,2 Anlin Peng,3 Chen Yang,1 Chong Liu,4 Mingrui Xiong,1 Aiping Deng,2 Yu Zhang,1 Ling Zheng,4 and Kun Huang1 Diabetes Care 2020;43:1399–1407 | https://doi.org/10.2337/dc20-0660 OBJECTIVE Diabetes is one of the most distinct comorbidities of COVID-19. Here, we describe the clinical characteristics of and outcomes in patients with diabetes in whom COVID-19 was confirmed or clinically diagnosed (with typical features on lung imaging and symptoms) and their association with glucose-lowering or blood pressure–lowering medications. RESEARCH DESIGN AND METHODS In this retrospective study involving 904 patients with COVID-19 (136 with diabetes, mostly type 2 diabetes), clinical and laboratory characteristics were collected and compared between the group with diabetes and the group without diabetes, and between groups taking different medications. Logistic regression was used to explore risk factors associated with mortality or poor prognosis. RESULTS The proportion of comorbid diabetes is similar between cases of confirmed and of clinically diagnosed COVID-19. Risk factors for higher mortality of patients with diabetes and COVID-19 were older age (adjusted odds ratio [aOR] 1.09 [95% CI 1.04, 1.15] per year increase; P 5 0.001) and elevated C-reactive protein (aOR 1.12 [95% CI 1.00, 1.24]; P 5 0.043). Insulin usage (aOR 3.58 [95% CI 1.37, 9.35]; P 5 0.009) was associated with poor prognosis. Clinical outcomes of those who use an ACE inhibitor (ACEI) or angiotensin II type-I receptor blocker (ARB) were comparable with those of patients who do not use ACEI/ARB among COVID-19 patients with diabetes and hypertension. 1 Tongji School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China 2 Department of Pharmacy and the Center of Information, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China 3 Department of Pharmacy, The Third Hospital of Wuhan, Wuhan, China 4 Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China Corresponding authors: Kun Huang, kunhuang@ hust.edu.cn, and Ling Zheng, lzheng@whu.edu .cn Received 28 March 2020 and accepted 24 April 2020 This article contains supplementary material online at https://doi.org/10.2337/figshare.12194748. Y.C., D.Y., and B.C. contributed equally. CONCLUSIONS This article is part of a special article collection available at https://care.diabetesjournals.org/ collection/diabetes-and-COVID19. C-reactive protein may help to identify patients with diabetes who are at greater risk of dying during hospitalization. Older patients with diabetes were prone to death related to COVID-19. Attention needs to be paid to patients with diabetes and COVID-19 who use insulin. ACEI/ARB use showed no significant impact on patients with diabetes and hypertension who have COVID-19. © 2020 by the American Diabetes Association. Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. More information is available at https://www.diabetesjournals .org/content/license. DIABETES AND COVID-19 Clinical Characteristics and Outcomes of Patients With Diabetes and COVID-19 in Association With GlucoseLowering Medication 1399 1400 Features of Patients With Diabetes and COVID-19 Coronavirus disease 2019 (COVID-19)..