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International Prognostic Scoring System (WM-IPSS) (23)
| Risk
|
||||||
|---|---|---|---|---|---|---|
| Low | Intermediate | High | ||||
| Age > 65 yr | − | + or | ||||
| Hb ≤ 11.5 g/dL |
|
> 2 factors | ||||
| Platelet ≤ 100 × 109/L |
|
≤ 1 factor |
|
2 factors | ||
| β2m > 3 mg/L | ||||||
| IgM > 70 g/L | ||||||
| N (%) | 158 (27) | 223 (38) | 206 (35) | |||
| Survival at 5 yr(P < 0.001) | 87% | 68% | 36% | |||
Hb, hemoglobin; β2m, beta2-microglobulin; N, number of patients; %, percentage.
