SIC Score Calculator
Sepsis-Induced Coagulopathy Score
Clinical note: This calculator is for educational and clinical decision-support purposes only.
It should not replace clinical judgement, local protocols, or specialist advice.
Scoring Criteria
| Parameter | Value | Points |
|---|---|---|
| Platelet count | ≥150 × 10⁹/L | 0 |
| Platelet count | ≥100 to <150 × 10⁹/L | 1 |
| Platelet count | <100 × 10⁹/L | 2 |
| PT-INR | ≤1.2 | 0 |
| PT-INR | >1.2 to ≤1.4 | 1 |
| PT-INR | >1.4 | 2 |
| SOFA score | 0 | 0 |
| SOFA score | 1 | 1 |
| SOFA score | ≥2 | 2 |
References
- Iba T, Levy JH, Warkentin TE, Thachil J, van der Poll T, Levi M. Diagnosis and management of sepsis-induced coagulopathy and disseminated intravascular coagulation. Journal of Thrombosis and Haemostasis. 2019.
- Iba T, et al. New criteria for sepsis-induced coagulopathy following the revised sepsis definition: a retrospective analysis of a nationwide survey. BMJ Open. 2017.
- Iba T. Sepsis-induced coagulopathy in the management of sepsis. 2024 review article.

