Study design
This was a retrospective analysis of a single center, cohort study,
performed between Feb 20, 2020 and April 20, 2020 in patients with
Covid-19 infection, at Ziaeian
Hospital, a center for pandemic Covid-19 infected patients, Tehran,
Iran.
This study including 285 confirmed, Covid-19 infected patients who were
admitted to this hospital during two months and received two different
therapeutic regimens according to the guidelines issued by Iranian
Ministry of Health and Medical Education (first edition(Iranian
Ministry of health and Medical Education , 28 Feb 2020), fifth
edition(Iranian Ministry of Health and Medical Education , 25
march 2020)).The first group including 120 inpatients between Feb 20,
2020 and March 15, 2020 who received Oseltamivir in addition with
routine regimen (combination group) (Iranian Ministry of health
and Medical Education , 28 Feb 2020).The second group including 165
patients between March 20,2020 and April 20,2020 received routine
regimen alone (control group) (Iranian Ministry of Health and
Medical Education , 25 march 2020).