Demographic and clinical parameters of the patients
| Parameter . | Leukemia type . | ||
|---|---|---|---|
| B-ALL . | B-ALL . | T-ALL . | |
| Ethnicity* | French | Non-French | Mixed |
| Number | 100 | 45 | 30 |
| Sex | |||
| Male | 56 (56.0) | 24 (53.3) | 21 (70.0) |
| Female | 54 (54.0) | 21 (46.7) | 9 (30.0) |
| Immunophenotype | |||
| Pre-B | 96 (96.0) | 45 (100.0) | 0 (0.0) |
| Pre-pre-B | 4 (4.0) | 0 (0.0) | 0 (0.0) |
| Pre-T | 0 (0.0) | 0 (0.0) | 30 (100.0) |
| Age | |||
| ≤ 1 y | 2 (2.0) | 1 | 0 (0.0) |
| 1-10 y | 72 (72.0) | 41 | 15 (50.0) |
| > 10 y | 26 (26.0) | 3 | 15 (50.0) |
| Chromosomal translocations | |||
| None | 67 (67.0) | 10 (22.2) | 10 (33.3) |
| t (12:21) | 19 (19.0) | 1 (2.2) | 0 (0.0) |
| Others | 8 (8.0) | 1 (2.2) | 2 (6.7) |
| ND | 6 (6.2) | 33 (73.4) | 18 (60.0) |
| Relapses | |||
| 0 | 89 (89.0) | ND | ND |
| 1 | 11 (11.0) | ||
| DNA Index | |||
| 1 | 63 (63.0) | 12 (26.6) | 2 (6.7) |
| > 1 | 35 (35.0) | 12 (26.6) | 23 (76.7) |
| ND | 2 (2.0) | 21 (46.7) | 5 (16.7) |
| Parameter . | Leukemia type . | ||
|---|---|---|---|
| B-ALL . | B-ALL . | T-ALL . | |
| Ethnicity* | French | Non-French | Mixed |
| Number | 100 | 45 | 30 |
| Sex | |||
| Male | 56 (56.0) | 24 (53.3) | 21 (70.0) |
| Female | 54 (54.0) | 21 (46.7) | 9 (30.0) |
| Immunophenotype | |||
| Pre-B | 96 (96.0) | 45 (100.0) | 0 (0.0) |
| Pre-pre-B | 4 (4.0) | 0 (0.0) | 0 (0.0) |
| Pre-T | 0 (0.0) | 0 (0.0) | 30 (100.0) |
| Age | |||
| ≤ 1 y | 2 (2.0) | 1 | 0 (0.0) |
| 1-10 y | 72 (72.0) | 41 | 15 (50.0) |
| > 10 y | 26 (26.0) | 3 | 15 (50.0) |
| Chromosomal translocations | |||
| None | 67 (67.0) | 10 (22.2) | 10 (33.3) |
| t (12:21) | 19 (19.0) | 1 (2.2) | 0 (0.0) |
| Others | 8 (8.0) | 1 (2.2) | 2 (6.7) |
| ND | 6 (6.2) | 33 (73.4) | 18 (60.0) |
| Relapses | |||
| 0 | 89 (89.0) | ND | ND |
| 1 | 11 (11.0) | ||
| DNA Index | |||
| 1 | 63 (63.0) | 12 (26.6) | 2 (6.7) |
| > 1 | 35 (35.0) | 12 (26.6) | 23 (76.7) |
| ND | 2 (2.0) | 21 (46.7) | 5 (16.7) |
Values are n (%).
ND indicates not determined or unknown.
For ethnicity, French indicates whites of French-Canadian ancestry; Non-French, whites of non–French Canadian ancestry; and Mixed, white individuals of French or non–French Canadian ancestry.