Subclinical characteristic: 17, 17% had lymphocyte count <1G / L, 17, 17% had CRP>10mg / dL, 24, 81% had D-Dimer >500ng / mL, 15, 89% had ferritin >500ng / mL and 12, 25% had LDH>300 UI/L.
Cận lâm sàng 17,17% giảm lympho < 1 G / L, 17,17% tăng CRP > 10 mg / dL, 24,81% tăng D-Dimer > 500 ng / mL, 15,89% tăng ferritin > 500 ng / mL và 12,25% tăng LDH > 300 UI / L.