DIC	Disseminated Intravascular Coagulation
SIC	Sepsis-Induced Coagulopathy
NIV	Non-Invasive Ventilation
ICU	Intensive Care Unit
COVID-19	Coronavirus Disease 2019
ISTH	International Society of Thrombosis and Hemostasis
BMI	Body Mass Index
COPD	Chronic Obstructive Pulmonary Disease
GRF	Glomerular Filtration Rate
PaO2/FIO2	Arterial partial pressure of oxygen/fraction of inspired oxygen
NLR	Neutrophil/Lymphocite Ratio
PT	Prothrombin Time
aPTT	Activated Partial Thromboplastin Time
CRP	C-Reactive Protein
SOFA	Sequential Organ Failure Assessment
CTPA	Computed Tomography Pulmonary Angiography
PVT	Pulmonary vessels thrombosis
LMWH	Low molecular weight heparin
ROC	Receiver-operating Characteristic
SE	Sensitivity
SP	Specificity
PPV	Positive predictive value
NPV	Negative predictive value