Table 1 Diagnostic criteria for infectious DIC

PLT (× 10³/μl)

100 ≧ > 50

1

120 ≧ > 80

1

120 ≧ > 80

1

120 ≧ > 8.0

1

50 ≧

2

80 ≧ > 50

2

80 ≧ > 50

2

50 ≧

3

50 ≧

3

80 ≧

3

Reduction of PLT

30%

1*

30%

1*

50%

3*

Prothrombin time ratio or Prolongation (s)

3 ≦ < 6.0

1

1.25 ≦ < 1.67

1

1.25 ≦ < 1.67

1

1.2 ≦

1

6 ≦

2

1.67 ≦

2

1.67 ≦

2

Fibrinogen (g/L)

1.0 ≧

1

1.5 ≧ > 1.0

1

1.0 ≧

2

Fibrin related markers, FDP (μg/ml)

10 ≦ < 20

1

10 ≦ < 20

1

10 ≦ < 25

1

Increase

2

20 ≦ < 40

2

20 ≦ < 40

2

Markedly increase

3

40 ≦

3

40 ≦

3

25 ≦

3

Antithrombin

<  70%

1

TAT or SF

2 fold higher of NR

Underlying diseases

Positive

1

Bleeding

Positive

1

OF due to thrombosis

Positive

1

SIRS

Positive

1

DIC

5 ≦

5 ≦

7 ≦

4 ≦