Toronto HCC Risk Index (THRI)
Toronto HCC Risk Index (THRI; Sharma 2017) — a validated score for 10-year HCC risk in cirrhosis from age, sex, cirrhosis etiology, and platelet count (total 0-366).
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Age
- 65 years
- Sex
- Male
- Cirrhosis etiology
- HCV (+97)
- Platelet count
- 100 10^9/L
Result: Toronto HCC Risk Index 347/366
The tool opens with these values already filled in. Replace them with your own.
What the result means
- < 120
- Low risk — ~3% 10-year cumulative HCC incidence.
- 120-240
- Medium risk — ~10% 10-year cumulative HCC incidence.
- > 240
- High risk — ~32% 10-year cumulative HCC incidence.
What you enter
- Age
- Sex
- Cirrhosis etiology
- Platelet count
How this is calculated
- Points
- Age <45/45-60/>60 = 0/50/100; etiology autoimmune or HCV-SVR = 0, other = 36, steatohepatitis = 54, HCV or HBV = 97; male = 80; platelets >200/140-200/80-139/<80 = 0/20/70/89.
Sharma SA, Kowgier M, Cerocchi O, et al. Toronto HCC risk index: a validated scoring system to predict 10-year risk of HCC in patients with cirrhosis. J Hepatol. 2017;68(1):92-99. Age, sex, etiology, platelets; total 0-366. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.