Patient characteristics (n = 31)
| . | No. of patients (%) . |
|---|---|
| Median age, y (range) | 59 (30-70) |
| Male | 22 (71) |
| Binet stage | |
| B | 21 (68) |
| C | 10 (32) |
| ECOG | |
| 0 | 15 (48) |
| 1 | 14 (45) |
| 2 | 2 (6) |
| B symptoms | 16 (52) |
| Prior therapy | |
| None | 20 (70) |
| Chlorambucil, prednisone, COP, bendamustine | 11 (30) |
| Time since first diagnosis | |
| ≤ 1 year | 17 (55) |
| 2-5 years | 12 (39) |
| > 5 years | 2 (6) |
| Infiltration pattern BM | (n = 27)* |
| Nodular | 1 (4) |
| Mixed | 3 (11) |
| Diffuse | 23 (85) |
| . | No. of patients (%) . |
|---|---|
| Median age, y (range) | 59 (30-70) |
| Male | 22 (71) |
| Binet stage | |
| B | 21 (68) |
| C | 10 (32) |
| ECOG | |
| 0 | 15 (48) |
| 1 | 14 (45) |
| 2 | 2 (6) |
| B symptoms | 16 (52) |
| Prior therapy | |
| None | 20 (70) |
| Chlorambucil, prednisone, COP, bendamustine | 11 (30) |
| Time since first diagnosis | |
| ≤ 1 year | 17 (55) |
| 2-5 years | 12 (39) |
| > 5 years | 2 (6) |
| Infiltration pattern BM | (n = 27)* |
| Nodular | 1 (4) |
| Mixed | 3 (11) |
| Diffuse | 23 (85) |
Cytologic and/or histologic information of bone marrow (BM) samples with classification of infiltration pattern was only performed in 27 patients.