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Table 1 The scoring system for disseminated intravascular coagulation (DIC) as established by the Japanese Association for Acute Medicine (JAAM) and International Society on Thrombosis and Haemostasis (ISTH)

From: A randomized, controlled, multicenter trial of the effects of antithrombin on disseminated intravascular coagulation in patients with sepsis

A. JAAM DIC scoring system
  Score
Systemic inflammatory response syndrome criteria
 ≥3 1
 0-2 0
Platelet counts (109/L)
 <80, or a more than 50% decrease within 24 hours 3
 ≥80, <120 or a more than 30% decrease within 24 hours 1
 ≥120 0
Prothrombin time (value of patient/normal value)
 ≥1.2 1
 <1.2 0
Fibrin/fibrinogen degradation products (FDP) (mg/L)
 ≥25 3
 ≥10 <25 1
 <10 0
Diagnosis
 4 points or more DIC
B. ISTH overt DIC scoring system
  Score
Platelet counts (109/L)  
 <50 2
 ≥50 <100 1
 ≥100 0
Elevated fibrin-related marker
(for example soluble fibrin monomers/fibrin degradation products)
 Strong increase 3
 Moderate increase 2
 No increase 0
Prolonged prothrombin time (sec)
 ≥6 2
 ≥3 <6 1
 <3 0
Fibrinogen level (g/mL)
 <100 1
 ≥100 0
If >5: compatible with overt DIC; repeat scoring daily
If <5: suggestive (not affirmative) for non-overt DIC; repeat next 1-2 days