Haematology · Hospital Medicine · Internal Medicine
IMPROVE Bleeding Risk Score calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
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IMPROVE <7: lower bleeding risk
Band: IMPROVE <7: lower bleeding risk
Interpretation. IMPROVE <7: lower bleeding risk
Suggested management. A total below 7 was the lower-risk group for in-hospital bleeding in acutely ill medical patients.
IMPROVE Bleeding Risk Score: 0 — IMPROVE <7: lower bleeding risk. Interpretation: IMPROVE <7: lower bleeding risk What to do: A total below 7 was the lower-risk group for in-hospital bleeding in acutely ill medical patients. Inputs: Age ≥85 years: false; Age 40–84 years: false; Male sex: false; Severe renal failure (GFR <30): false; Moderate renal failure (GFR 30–59): false; Current cancer: false; Rheumatic disease: false; Central venous catheter: false; ICU/CCU stay: false; Hepatic failure (INR >1.5): false; Platelet count <50 × 10⁹/L: false; Bleeding in the 3 months before admission: false; Active gastroduodenal ulcer: false Source: Decousus H et al. Factors at admission associated with bleeding risk in medical patients: findings from the IMPROVE investigators. Chest. DOI: 10.1378/chest.09-3081. PMID: 20453069. Scope: IMPROVE bleeding risk points at admission (ulcer 4.5, prior bleed 4, platelets <50×10⁹/L 4, age ≥85 3.5, GFR <30 / hepatic failure / ICU 2.5, cancer/rheumatic/CVC 2, age 40–84 1.5, male/GFR 30–59 1); ≥7 marks higher bleed risk. (2011)
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Clinical inputs
- Age ≥85 years
- Age 40–84 years
- Male sex
- Severe renal failure (GFR <30)
- Moderate renal failure (GFR 30–59)
- Current cancer
- Rheumatic disease
- Central venous catheter
- ICU/CCU stay
- Hepatic failure (INR >1.5)
- Platelet count <50 × 10⁹/L
- Bleeding in the 3 months before admission
- Active gastroduodenal ulcer
Primary source
Decousus H et al. Factors at admission associated with bleeding risk in medical patients: findings from the IMPROVE investigators. Chest. DOI: 10.1378/chest.09-3081. PMID: 20453069. Scope: IMPROVE bleeding risk points at admission (ulcer 4.5, prior bleed 4, platelets <50×10⁹/L 4, age ≥85 3.5, GFR <30 / hepatic failure / ICU 2.5, cancer/rheumatic/CVC 2, age 40–84 1.5, male/GFR 30–59 1); ≥7 marks higher bleed risk. (2011)
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