IPI distribution of stage IV cases with survival data, by marrow status identified by PET or BMB
| . | BM involvement identified by PET-CT (%) . | BM involvement identified by biopsy (%) . | ||
|---|---|---|---|---|
| PET+ . | PET– . | BMB+ . | BMB– . | |
| n | 33 | 11 | 14 | 30 |
| IPI 1 | 1 (3) | 0 | 0 | 1 (3) |
| IPI 2 | 6 (18) | 1 (9) | 2 (14) | 5 (17) |
| IPI 3 | 15 (46) | 4 (36) | 7 (50) | 12 (40) |
| IPI 4 | 7 (21) | 6 (55) | 4 (29) | 9 (30) |
| IPI 5 | 4 (12) | 0 | 1 (7) | 3 (10) |
| . | BM involvement identified by PET-CT (%) . | BM involvement identified by biopsy (%) . | ||
|---|---|---|---|---|
| PET+ . | PET– . | BMB+ . | BMB– . | |
| n | 33 | 11 | 14 | 30 |
| IPI 1 | 1 (3) | 0 | 0 | 1 (3) |
| IPI 2 | 6 (18) | 1 (9) | 2 (14) | 5 (17) |
| IPI 3 | 15 (46) | 4 (36) | 7 (50) | 12 (40) |
| IPI 4 | 7 (21) | 6 (55) | 4 (29) | 9 (30) |
| IPI 5 | 4 (12) | 0 | 1 (7) | 3 (10) |