Number of RBC units transfused during weeks 0 to 4, 5 to 8, and 0 to 8 before start of lenalidomide dosing
| RBC units transfused . | Week 0 to 4 before study, no. (%) . | Week 5 to 8 before study, no. (%) . | Week 0 to 8 before study (eligibility), no. (%) . |
|---|---|---|---|
| 0 | 32 (15) | 48 (22) | 2 (0.9)* |
| 1 | 7 (3) | 2 (1) | 0 |
| 2 | 101 (47) | 89 (42) | 63 (29) |
| 3 | 15 (7) | 21 (10) | 10 (5) |
| 4 | 32 (15) | 39 (18) | 44 (21) |
| 5 | 5 (2) | 3 (1) | 10 (5) |
| 6 | 15 (7) | 9 (4) | 42 (20) |
| 7 | 0 | 0 | 6 (3) |
| 8 | 3 (1) | 3 (1) | 12 (6) |
| 9 | 2 (1) | 0 | 5 (2) |
| 10 | 0 | 0 | 9 (4) |
| 11 | 1 (0.5) | 0 | 3 (1) |
| 12 | 0 | 0 | 2 (0.9) |
| 13 | 0 | 0 | 1 (0.5) |
| 14 | 0 | 0 | 3 (1) |
| 15 | 0 | 0 | 1 (0.5) |
| 16 | 1 (0.5) | 0 | 0 |
| 24 | 0 | 0 | 1 (0.5) |
| RBC units transfused . | Week 0 to 4 before study, no. (%) . | Week 5 to 8 before study, no. (%) . | Week 0 to 8 before study (eligibility), no. (%) . |
|---|---|---|---|
| 0 | 32 (15) | 48 (22) | 2 (0.9)* |
| 1 | 7 (3) | 2 (1) | 0 |
| 2 | 101 (47) | 89 (42) | 63 (29) |
| 3 | 15 (7) | 21 (10) | 10 (5) |
| 4 | 32 (15) | 39 (18) | 44 (21) |
| 5 | 5 (2) | 3 (1) | 10 (5) |
| 6 | 15 (7) | 9 (4) | 42 (20) |
| 7 | 0 | 0 | 6 (3) |
| 8 | 3 (1) | 3 (1) | 12 (6) |
| 9 | 2 (1) | 0 | 5 (2) |
| 10 | 0 | 0 | 9 (4) |
| 11 | 1 (0.5) | 0 | 3 (1) |
| 12 | 0 | 0 | 2 (0.9) |
| 13 | 0 | 0 | 1 (0.5) |
| 14 | 0 | 0 | 3 (1) |
| 15 | 0 | 0 | 1 (0.5) |
| 16 | 1 (0.5) | 0 | 0 |
| 24 | 0 | 0 | 1 (0.5) |
Transfusion needs were not documented in 2 patients. These patients were counted as nonresponders in the efficacy analysis.