CRP and Increased total leukocyte count: Laboratory assessment of patients indicated that elevated C-reactive protein (CRP) (>100 mg/L) (33.1%), high ferritin (>500 ng/mL) (18.2%), lymphopenia (<800 cells/μl) (16%), leukocytosis, and increased D-dimer (>1,000 ng/ml) (13.2%) were the most common findings (Table 3).