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Objective The study aimed to assess the long-term persistent symptoms of patients with diabetes mellitus (DM) and COVID-19 infection at 9 months after acute infection. Methods This single-center cross-sectional study was conducted from May 20 to June 1, 2021. Results A total of 112 patients were included in the present study. The most frequently reported persistent symptoms among DM group were fatigue ( p = 0.01), shortness of breath ( p = 0.01), and chest pain ( p = 0.02) compared to non-DM group. Sulfonylurea use was associated with persistent cough ( p = 0.04). Conclusion Long-term persistent symptoms of COVID-19 infection are common among patients with DM.

Background: LittleisknownabouttheroleofECGmarkersofincreasedriskofsud-dencardiacdeathduringtheacuteperiodofcoronavirusdisease2019(COVID-19) pneumonia. Objectives: ToevaluateECGmarkersofsuddencardiacdeathonadmission,includingtheindexofcardiacelectrophysiologicalbalance(iCEB)(QTc/QRS)andtransmuraldispersionofrepolarization(TDR)(Tfrompeaktoend(Tp-e)intervalandTp-e/ QTc),inpatientswithCOVID-19pneumonia. Patients and methods: This cross-sectional study included 63 patients with newly diagnosedCOVID-19pneumoniawhopresentedtotheoutpatientclinicoradmitted totherespiratorycareunitbetweenAugust20andSeptember15,2020.Forty-six personsmatchedforsexandagewereselectedfromdatacollectedbeforeCOVID-19 pandemic.Results: QRS and QTc showed a significant prolongation in patients with COVID-19 pneumonia compared to the controls (87 vs. 78, p < .00, and 429 versus. 400, p < .00, respectively). After categorization of patients with COVID-19 pneumonia into3groupsaccordingtotheseverityofpneumoniaasmild-moderate,severe,and criticalgroups,adecreasedvaluesofQRSwereobservedinthecriticalCOVID-19 pneumonia group compared to severe and mild-moderate COVID-19 pneumonia groups (p = .04) while increased values of QTc and iCEB(QTc/QRS) were noted in criticalCOVID-19pneumoniagroupcomparedtoother2groups(p <.00).

A higher PFV value was observed in patients with high iCEB. Larger prospective studies are required to confirm the results.