Epidemiological characteristics and mortality risk factors among COVID-19 patients in Ardabil, Northwest of Iran.
Davoud AdhamShahram HabibzadehHassan GhobadiShabnam Asghari JajinAbbas Abbasi-GhahramanlooEslam Moradi AslPublished in: BMC emergency medicine (2021)
Hospitalization had the strongest effect on mortality followed by hospitalization in ICU, and higher age. This study showed that having some extra-pulmonary symptoms in contrast with pulmonary symptoms can predict as good prognostic factors.