Table 1.

Hematologic parameters associated with COVID-19 coagulopathy.

Parameters	Association	Reference
•Prolonged PT •Prolonged APTT •Increased d-dimer	Disease severity, mortality	18
•Neutrophilia	Organ dysfunction and mortality	42
•Thrombocytopenia (<100 × 109 cells/L)	Severity and mortality	18
•Decreased lymphocytes •Decreased eosinophils	Severity and mortality	18
•Elevated neutrophil:lymphocyte ratio (≥9)	Mortality	18
•FDPs	Disease severity, mortality	6,18
•Anticardiolipin IgA antibodies •Anti-β2-glycoprotein IgA IgG •Antiphospholipid •Lupus anticoagulant, •vWF activity •Elevated vWF antigen •Elevated FVIII	Unknown association	20, 36, 43

PT; prothrombin time: APTT; activated partial thromboplastin time: FDPs; fibrinogen degradation products: vWF; von Willebrand Factor.