Table 2.
Overall results in Burkitt lymphoma/leukemia patients according to age: 15 to 55 years and older than 55 years
| Total | Age group, y | P | ||
|---|---|---|---|---|
| 15 to ≤55 | >55 | |||
| No. of patients | 363 | 265 | 98 | |
| Response | ||||
| CR | 319 (88) | 237 (89) | 82 (84) | .0002 |
| PR | 13 (4) | 9 (3) | 4 (4) | |
| Failure/progression | 16 (4) | 15 (6) | 1 (1) | |
| Death | 15 (4) | 4 (2) | 11 (11) | |
| Outcome of CR patients | 319 | 237 | 82 | |
| Relapse | 37 (12) | 20 (8) | 17 (21) | |
| Death in CR | 2 (1) | 2 (1) | 0 | |
| PFS | 0.75 ± 0.03 | 0.82 ± 0.03 | 0.60 ± 0.05 | <.0001 |
| OS | 0.80 ± 0.02 | 0.86 ± 0.02 | 0.62 ± 0.02 | <.0001 |
Values are n (%) or mean ± standard deviation.