Sokal Index (CML)
Enter age, spleen size below costal margin, platelets (×10⁹/L), and blasts (%) → Sokal index with low / intermediate / high risk bands.
Calculator
How it works
The Sokal index uses age, spleen size, platelet count, and blast percentage to stratify CML prognosis at diagnosis (Sokal 1984).
Limits
Tyrosine kinase era outcomes differ from historical cohorts; ELTS and other scores may be preferred in modern practice.
Educational tool only—not for diagnosis or treatment decisions.