The impact of demographic factors on the course of COVID-19 infection

Introduction: Since the beginning of 2020, the COVID-19 pandemic has been one of the biggest medical challenges. Observations of patients worldwide suggest differences in the severity of the disease depending on demographic and epidemiological factors. Aim: The aim of the study was to identify demographic factors that may affect the course of COVID-19. Material and methods: The study included 337 patients who had been infected with COVID-19 from December 2020 to June 2021. A retrospective survey containing questions about gender, age, BMI, blood group, smoking, comorbidities, and the course of SARS-CoV-2 infection was conducted. Statistical analysis was performed. Results: Older patients declared that the course of the disease was more burdensome. Comorbid oncological diseases contributed to the longer course of COVID-19. On average, women reported one symptom more than men. Patients with type 2 diabetes reported an average of 1.6 symptoms less; olfactory dysfunction and headaches were less frequent in this group. Olfactory dysfunction was more common in younger patients. Conclusion: Particular attention needs to be paid to elderly patients due to the greater