ALB and Thrombocytopenia: For multivariable logistic regression, variables initially entered the model included age ≥60 yrs., sex, CWIC, median income, hospital admission source, hypertension, qSOFA score, WBC counts on admission, lymphocytopenia on admission, thrombocytopenia on admission, creatinine on admission, and aspartate aminotransferase (AST) on admission, total protein on admission, albumin on admission, and abnormal chest x-ray on admission.