Characteristics of Hospitalized COVID-19 Patients at Admission and Factors Associated with Clinical Severity in Low- and Middle-Income Countries: An Observational Study.

3 As in other studies, male gender tends to be a severity risk factor, particularly in the younger age group, even if the association did not reach statistical significance. 17 Genetic parameters, sex hormones, immune system responses, and other nonbiological causes have been proposed to explain the sex disparity, but their actual role remains unclear. 18 This is in agreement with another study reporting that at equal age, males with COVID-19 are at higher risk of wor

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