Table 1. Patient characteristics at diagnosis.
| Characteristic | N(%) | |
|---|---|---|
| Lineage | B-precursor | 77 (86) |
| T-cell | 13 (14) | |
| Sex | Male | 48 (53) |
| Female | 42 (47) | |
| Age at entry (years) | Median (range) | 46.50 (25 - 65) |
| ≥55 | 29 (32) | |
| ≥41 | 59 (66) | |
| Presenting WBC (x109/l) | Median (range) | 9.26 (0.52 - 297.4) |
| <30 | 62 (69) | |
| 30-99.9 | 15 (17) | |
| 100+ | 13 (14) | |
| Cytogenetic risk status | *High risk | 28 (31) |
| Low risk | 42 (47) | |
| **Unknown | 20 (22) | |
| t(9;22) | Absent | 64 (71) |
| Present | 26 (29) | |
| Low hypodiploidy/near triploidy | Absent | 65 (72) |
| Present | 4 (4) | |
| Failed/missing | 21 (23) | |
| t(4;11) | Absent | 75 (83) |
| Present | 7 ( 8) | |
| Failed/missing | 8 (9) | |
| Complex karyotype | Absent | 64 (71) |
| Present | 5 (6) | |
| Failed/missing | 21 (23) | |
| )Performance status | 0 | 55 (61) |
| 1 | 28 (31) | |
| 2 | 5 ( 6) | |
| 3 | 1 (1) | |
| Missing | 1 (1) | |
| BMI | Normal/underweight*** | 31 (34) |
| Overweight | 25 (28) | |
| Obese | 34 (38) | |
*
High risk: t(9;22), t(4;11) low hypodiploidy/near triploidy or complex karyotypes
**
No high risk factors and at least one risk factor is missing or failed
***
30 in the normal range and 1 patient with a BMI of 17.