Table 1.

Diagnosis criteria of overt DIC by the ISTH and the KSTH    (11) 

Variable	Overt DIC by ISTH	Overt DIC by KSTH
Platelet	50,000-100,000/µl: 1 point ˂50,000/µl: 2 points	˂100,000/µl: 1 point
PT/APTT	Prolongation of PT: 3-6 sec: 1 point ˃6 sec: 2 points	Prolongation of PT: ˃3 sec: 1 point Prolongation of aPTT˃5 sec: 1 point ˃6 sec: 2 points
Fibrinogen	100 mg/dl: 1 point˂	150 mg/dl: 1 point˂
D-dimer	0.5-1 µg/ml: 1 point 1-2 µg/ml: 2 points ≥2 µg/ml: 3 points
Total	Overt DIC ≥ 5 points	Overt DIC ≥ 3 points

DIC: Disseminated Intravascular Coagulation, ISTH: International Society and Thrombosis and hemostasis, KSTH: Korean Society Thrombosis and Hemostasis, PT: Prothrombin time, APTT: Activated Partial Thromboplastin Time