Developing a mortality risk prediction model using data of 3663 hospitalized COVID-19 patients: a retrospective cohort study in an Egyptian University Hospital oleh Sahar Kandil, Ayman I. Tharwat, Sherief M. Mohsen, Mai Eldeeb, Waleed Abdallah, Amr Hilal, Hala Sweed, Mohamed Mortada, Elham Arif, Tarek Ahmed, Ahmed Elshafie, Tarek Youssef, Mohamed Zaki, Yasmin El-Gendy, Essam Ebied, Safwat Hamad, Ihab Habil, Hany Dabbous, Amr El-Said, Yasser Mostafa, Samia Girgis, Ossama Mansour, Ali El-Anwar, Ashraf Omar, Ayman Saleh, Mahmoud El-Meteini