GPT and chronic kidney disease: The probability of COVID-19 in-hospital mortality is equal to eX / (1 + eX) where X is [1.2274 * abnormal CT scan or CXR (yes=1 no=0)] + [(0.8752 * CKD) (yes=1 no=0)] + [0.0417 *age (years)] + [0.0879 * white blood cells (per thousand/ul)] - [ 0.00643 * platelet count per (Thousand/uL)] - [0.0246 * ALT (per IU/L)] + [0.0217 * AST (per IU/L)] - 5.5237.