Authors: Imad R. Musa.
The corona virus disease 2019 (COVID-19) pandemic has spread globally with increase in morbidity and fatality. Patients with diabetes mellitus (DM) are considerably vulnerable to the disease.
Aim: This study aims to explore the risk factors that contribute in susceptibility and severity of COVID 19 infection among patients with DM.
Method: A systematic search of studies relating to DM and COVID 19 infection was conducted, using PubMed and Google scholar.
Result: A total of 162 citations were initially identified. Seventy-four papers were removed for failing to address the aim of the study. Seventeen studies focused on age as risk factor, eighteen studies assesses the effects of glucose variability, nine studies evaluated the associated comorbidities, four assessed the risk of the job, eight addressed the susceptibility related DM, twenty four explored the effects of medications, fifteen concentrated on immune system, and sixteen addressed more than one risk factor.
Conclusion: Old age, glucose variability, comorbidities, susceptibility factors related to DM, medications and impair immune response are considerable risk factors contributing in COVID 19 pathogenesis among patients with DM.
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