Haematology · Oncology

Sokal Index for CML calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Age

years

Allowed range: 1–100 years

Spleen size below left costal margin

cm below LCM

Allowed range: 0–40 cm below LCM

Platelet count

x10^9/L

Allowed range: 10–3000 x10^9/L

Circulating blasts

Allowed range: 0–30 %

Result

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Clinical inputs

Age (years)Accepted range: 1 to 100
Spleen size below left costal margin (cm below LCM)Accepted range: 0 to 40
Platelet count (x10^9/L)Accepted range: 10 to 3000
Circulating blasts (%)Accepted range: 0 to 30

Primary source

Sokal JE et al. Prognostic discrimination in good-risk chronic granulocytic leukemia. Blood. PMID: 6584184. Scope: relative risk = exp(0.0116×(age−43.4) + 0.0345×(spleen cm−7.51) + 0.188×((platelets/700)^2−0.563) + 0.0887×(blasts%−2.10)); low <0.8, intermediate 0.8–1.2, high >1.2. (1984)

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