Abstract
Background: This study aimed to identify mortality risk factors among hospitalized COVID-19 patients in southeast Iran. Methods: This cross-sectional study used data from the COVID-19 patients admitted to Afzalipour teaching hospital in Kerman, Iran, from February 2020 to September 2021. The demographic and clinical data of 6,057 patients were analyzed using Bayesian network and logistic regression models. Results: Out of 6,057 patients, 333 (5.5%) died. The most important risk factors for COVID-19 mortality were age, gender, fever, headache, decreased level of consciousness (LoC), chronic liver disease, blood oxygen level (BOL), admission season, and length of stay (LoS). Fever, headache, and longer LoS were protective and mortality-reducing variables. Conclusion: Following model estimation results, it is recommended that older male patients with low oxygen levels and a lower LoC, as well as patients with chronic liver disease, receive additional medical care and not be discharged prematurely. Early medical interventions for high-risk patients may reduce COVID-19 mortality risk.
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