Diabetes as a risk factor for in-hospital mortality in patients with covid-19: A systematic review

ABSTRACT

Diabetes mellitus has been directly related to an increase in mortality associated with COVID-19, for which reason it was decided to carry out this analysis. Objective: to systematically examine the available empirical studies that report on diabetes as a risk factor for in-hospital mortality in patients with COVID-19. Methodology: A systematic review of publications indexed in the following browsers were performed Pubmed, Scielo, Hindawi, Latindex, Redalyc, Scopus, Taylor and Francis, Springer Link, Web of Science, EBSCO, in a period between the end of 2019 and the beginning of 2021, choosing those that were related to the topic to be treated, in a complementary way this search was made using the keywords mentioned below “coronavirus disease 2”, “COVID-19”, “SARS-CoV2”, “Coronavirus”, “Mortality”, “Prediction”, “Predictor”, “adults”, “diabetes”, “hyperglycemia”, “death”, and the connections of these with Boolean connectors” AND” and “OR” were made. Results: 23 articles were studied that met the selection criteria, where most of the publications were retrospective with distribution according to the sex of 56.6% for males and 43.4% for females, with a prevalence of diabetes in patients with COVID-19 on average of 20.71% with 54.41% in men and 45.59% for women, at an average age of 66.57 years. Conclusion: in general, this comorbidity has a higher incidence in people infected by the type of coronavirus, in the same way, in almost all of the articles evaluated it was identified that diabetes was an independent risk factor for mortality from COVID-19.