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Stratification of risk of survival in polycythaemia vera according to the Mutation-enhanced International Prognostic Scoring System (MIPSS-PV) (adapted from [130]).
| Risk Factor | Score |
|---|---|
| Age ≥ 67 years | 2 |
| Leukocytes ≥ 15 × 109/L | 1 |
| Thrombosis history | 1 |
| SRSF2 mutation | 3 |
