Table 1.
Patient baseline characteristics (n=39)
| Characteristic | Data |
|---|---|
| Age, y, no. (%) | |
| 16–20 | 5 (13) |
| 21–30 | 13 (33) |
| 31–50 | 15 (39) |
| 51–64 | 4 (10) |
| Over 65 | 2 (5) |
| Median age (range), y | 34 (16-66) |
| Sex, no. (%) | |
| Male | 32 (82) |
| Female | 7 (18) |
| Race or ethnic group, no. (%) | |
| White | 27 (69) |
| African American | 9 (23) |
| Native American | 1 (3) |
| Hispanic | 1 (3) |
| Oriental | 1 (3) |
| Median WBC count (range), × 109/L | 6.8 (0.0006-526.3) |
| Extramedullary disease, no. (%) | |
| Yes | 26 (67) |
| No | 12 (31) |
| Unknown | 1 (3) |
| History of CNS leukemia, no. (%) | |
| None | 35 (90) |
| One occurrence | 3 (8) |
| More than 1 occurrence | 1 (3) |
| ECOG performance status, no. (%) | |
| 0 (fully active) | 11 (28) |
| 1 (ambulatory, capable of light work) | 17 (44) |
| 2 (in bed less than 50% of time) | 6 (15) |
| 3 (in bed more than 50% of time) | 5 (13) |
| Median time since initial diagnosis (range), mo. | 14.1 (0.6-200.9) |
WBC indicates white blood cells; CNS, central nervous system, ECOG, Eastern College Oncology Group.