Predictors of Length of Hospital Stay, Mortality, and Outcomes Among Hospitalised COVID-19 Patients in Saudi Arabia: A Cross-Sectional Study oleh Alwafi H, Naser AY, Qanash S, Brinji AS, Ghazawi MA, Alotaibi B, Alghamdi A, Alrhmani A, Fatehaldin R, Alelyani A, Basfar A, AlBarakati A, Alsharif GF, Obaid EF, Shabrawishi M