From: Chinese expert consensus on diagnosis and treatment of coagulation dysfunction in COVID-19
Index | Score | ISTH | CDSS |
---|---|---|---|
PLT (×109/L) | 0 | > 100 | > 100 |
1 | ≤100 | 80–100 | |
 |  | 24 h decrease ≥50% | |
2 | ≤ 50 | <  80 | |
PT/APTT (s) | 0 | PT extension < 3 | PT extension < 3 and APTT extension < 10 |
1 | PT extension ≥3 and < 6 | PT extension ≥3 or APTT extension ≥10 | |
2 | PT extension ≥6 | PT extension ≥6 | |
Fibrin-related indicators, (μg/mL) | 0 | DD < 2.5 |  |
1 | – | < 5 | |
2 | Moderate increase, 2.5 ≤ DD < 5.0 | 5 ≤ DD < 9 | |
3 | Severe increase, DD ≥ 5.0 | ≥9 | |
Fibrinogen (g/L) | 0 | ≥1.0 | ≥1.0 |
1 | < 1.0 | < 1.0 | |
Underlying disorder known to be associated with DIC | 0 | necessary | Â |
2 | Â | presence | |
 Clinical manifestation | 1 |  | abnormal bleeding;unexplained organ failure; shock or microcirculatory disorder (meet anyone 1 point) |
Total score |  |  ≥ 5 |  ≥ 7 |