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Revista Peruana de Medicina Experimental y Salud Publica

versión impresa ISSN 1726-4634versión On-line ISSN 1726-4642


HUEDA-ZAVALETA, Miguel et al. Factors associated with mortality due to COVID-19 in patients from a public hospital in Tacna, Peru. Rev. perú. med. exp. salud publica [online]. 2021, vol.38, n.2, pp.214-223.  Epub 10-Jun-2021. ISSN 1726-4634.


To describe the clinical, laboratory and treatment characteristics of COVID-19 patients and to determine the factors associated with mortality during hospital stay. Materials and Methods: Retrospective cohort study of adult COVID-19 inpatients. The clinical, laboratory and treatment data were obtained from the medical records of patients from the Hospital Nivel III Daniel Alcides Carrión in Tacna. For the survival analysis we used the Cox proportional hazards model, and we calculated crude and adjusted hazard ratios (HR) with 95% confidence intervals (95% CI).


We evaluated 351 patients; 74.1% of them were men. The most common comorbidities were obesity (31.6%), hypertension (27.1%) and diabetes mellitus (24.5%). The median time of hospitalization was 8 days (IQR: 4-15). From the total of patients, 32.9% died during follow-up. The multivariate analysis showed an increased risk of dying associated with the following: age ≥65 years, HR = 3.55 (95% CI: 1.70-7.40); increase in lactate dehydrogenase >720 U/L, HR = 2.08 (95% CI: 1.34-3.22); and oxygen saturation less than 90%, mainly when it was less than 80%, HR = 4.07 (95% CI: 2.10-7.88). In addition, the use of colchicine during treatment showed a protective effect, HR = 0.46 (95% CI: 0.23-0.91).


Risk factors for mortality due to COVID-19 included being older than 65 years, having oxygen saturation less than 90%, and elevated lactate dehydrogenase >720 U/L; colchicine treatment could improve the prognosis of patients.

Palabras clave : COVID-19; SARS-CoV-2; Risk Factors; Pandemics; Viral Pneumonia; Coronavirus Infections; Hospitalization; Mortality; Survival; Peru.

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