Follicular Lymphoma International Prognostic Index-2 (FLIPI-2) | |
Five clinical risk factors: Age >60 years Serum β2-microglobulin increased Hemoglobin <12 gm/dL Bone marrow involvement Longest diameter of largest node >6 cm | |
0 factor = low risk: | 5-year progression-free survival 76-80% |
1-2 factors = intermediate risk: | 5-year progression-free survival 49-51% |
3-5 factors = high risk: | 5-year progression-free survival 20-37% |