1- Evaluation of clinical variables involved in patients' recovery including mechanical ventilation 2- Organ failure and comparison of these results in the two groups of treatment and control 3- Mortality and comparison of these results in the two groups of treatment and control 4- The length of hospital stay and comparison of these results in the treatment and controlgroups 5- Length of ICU hospitalization and comparison of these results in the treatment and controlgroups 6- Receiving oxygen and comparing these results in the treatment and control groups 7- The length of the negative period of PCR test and comparison of these results in thetreatment and control groups 8- Comparison of interleukin-6 levels in the treatment and control groups 9- Comparison of patients' ferritin levels in treatment and control groups 10- Comparison of patients' CRP levels in treatment and control groups 11- Length of improvement period of patients' lung imaging results and comparison of results intreatment and control groups 12- Lymphocyte count and comparison of results in treatment and control groups 13- Length of respiratory symptoms and comparison of results between treatment and controlgroups

1- Evaluation of clinical variables involved in patients' recovery including mechanical ventilation 2- Organ failure and comparison of these results in the two groups of treatment and control 3- Mortality and comparison of these results in the two groups of treatment and control 4- The length of hospital stay and comparison of these results in the treatment and controlgroups 5- Length of ICU hospitalization and comparison of these results in the treatment and controlgroups 6- Receiving oxygen and comparing these results in the treatment and control groups 7- The length of the negative period of PCR test and comparison of these results in thetreatment and control groups 8- Comparison of interleukin-6 levels in the treatment and control groups 9- Comparison of patients' ferritin levels in treatment and control groups 10- Comparison of patients' CRP levels in treatment and control groups 11- Length of improvement period of patients' lung imaging results and comparison of results intreatment and control groups 12- Lymphocyte count and comparison of results in treatment and control groups 13- Length of respiratory symptoms and comparison of results between treatment and controlgroups