Table 3.

Dynamic International prognostic scoring system (DIPSS) adapted from [11], which is widely used for enrolment in clinical trials; Int, intermediate.

Scoring System	Criteria	Low Risk	Int-1 Risk	Int-2 Risk	High Risk
DIPSS (Any time point)	Age > 65 years (1 point) Constitutional Symptoms (1 point) Hb < 100g/L (2 points) Leukocyte count ≥25 × 109/L (1 point) Circulating blasts > 1% (1 point)	0 points Median OS 14.6 years	1–2 points Median OS 7.4 years	3-4 points Median OS 4 years	5–6 points Median OS 2.3 years