Clinical Characteristics of Hospitalized Patients with COVID-19 in Sofia, Bulgaria

Introduction: SARS-CoV-2 infection is spreading around the world, including countries from Southeastern Europe. The purpose of the study was to present the clinical manifestations of COVID-19 patients admitted to the Military Medical Academy, Sofia, Bulgaria. Materials and Methods: A retrospective study was conducted for a period of 3 months from March 2020 to June 2020 on this infection in our hospital. All participants were laboratory confirmed cases of COVID-19. RT-PCR was performed for etiological diagnosis. The hospitalized patients were divided into two groups on admission, that is, nonsevere and severe. Results: One hundred thirty-eight COVID-19 patients were hospitalized and analyzed during the study period. The mean age was 52.9 years. Male was the dominant sex (sex ratio: male/female = 1/0.6). The leading clinical signs were fever, fatigue, cough, and headache. On comparative analysis of both groups (nonsevere and severe) was measured significant elevation of white blood cells (odds ratio [OR] = 1.238; p value = 0.006), C-reactive protein (OR = 1.021; p