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Revista de salud publica del Paraguay

versão impressa ISSN 2224-6193versão On-line ISSN 2307-3349


PEREZ BEJARANO, Domingo et al. Predictors of hospitalization for COVID-19: role of BCG vaccine and Dengue history. Rev. salud publica Parag. [online]. 2021, vol.11, n.2, pp.49-56. ISSN 2307-3349.


Due to the different epidemiology of COVID-19 in different regions of the world, it is important to know the impact of health variables specific to each country.


To evaluate the role of history of BCG vaccination and recent history of dengue among risk factors for hospitalization of patients with COVID-19.


Observational, cross-sectional study that recorded sociodemographic and clinical variables by means of structured interview in patients diagnosed with COVID-19 in four health institutions in Paraguay (September to December 2020). Logistic regression models evaluated factors associated with outcome.


397 patients were included. The frequency of hospitalization was higher in male patients, age > 40 years, lower income, obesity, hypertension and diabetes mellitus. There was less hospitalization among health personnel and in those who reported bronchial asthma. Male sex (ORa 3.72; 95%CI 2.22-6.22), arterial hypertension (ORa 2.46; 95%CI 1.30-4.64), income (ORa 1.98; 95%CI 1.03-3.80), healthcare worker (ORa 0.20; 95%CI 0.11-0.37) and bronchial asthma (ORa 0.40; 95%CI 0.20-0.82) were influential in the multivariate analysis. In certain models studied by logistic regression, those who reported a history of BCG vaccination were associated with a lower frequency of hospitalization. History of symptomatic dengue fever was not among the relevant variables related to outcome.


Among several COVID-19 severity prediction models, BCG vaccination history may be associated with hospitalization rates.

Palavras-chave : COVID-19; hospitalization; BCG vaccine; Dengue.

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