CRP and lymphopenia: The factors associated with a higher risk of mortality include advanced age; elevated body mass index; the use of IMV; analytical variables such as low PaFi ratio; elevated levels of ferritin, CRP, LDH, and creatinine; lymphopenia; and other parameters associated with hemostasis and coagulation, including low platelet counts, elevated levels of fibrinogen and D-dimer, prolonged PT, and aPTT.