Clinical Study
Characterization of Acute Lymphoblastic Leukemia Subtypes in Moroccan Children
Table 2
Patients' characteristics.
| | Features | All patients | T-cell ALL | pB-cell ALL | -value |
| | Age at diagnosis (y) | | | | | | Median | 7 | 9 | 6 | | | Range | 0.5–17 | 0.5–17 | 0.5–17 | | | | | | .048‡ | | 1 | 6 (2.18%) | 1 (1.69%) | 5 (2.31%) | | | 1–10 | 184 (66.91%) | 32 (54.24%) | 152 (70.37%) | | | 10 | 85 (39.91%) | 26 (44.07%) | 59 (27.31%) | | | Gender | | | | .008‡ | | M | 161 (58.55%) | 44 (57.63%) | 117 (54.17%) | | | F | 114 (41.45%) | 15 (25.42%) | 99 (45.83%) | | | Sex ratio (M/F) | | | | | | FAB subtype n (%) | | | | .85 | | L1 | 144 (52.36%) | 34 (57.63%) | 110 (50.93%) | | | L2 | 101 (36.73%) | 22 (37.23%) | 79 (36.57%) | | | NS | 30 (10.91%) | 3 (5.08%) | 27 (12.50%) | |
| | Leukocyte count (109/L) | | | | | | Median | 20.14 | 116 | 11.38 | | | Range | 1–830 | 1.5–718 | 1–830 | | | | | | .0001‡ | | 50 | 178 (94.96%) | 16 (27.12%) | 162 (75.35%) | | | 50 | 96 (35.05%) | 43 (72.88%) | 53 (24.65%) | | | CNS disease | 4/218 (1.83%) | 2/45 (4.44%) | 2/173 (1.16%) | .42 | | Mediastinum | 35/218 (16.05%) | 28/45 (62.22%) | 7/173 (4.05%) | .0001‡ |
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ALL: acute lymphoblastique leukaemia, F: female, M: male, Y: year, CNS: central nervous system, NS: not specified.Mature B-cell ALL excluded.Cases with completed data. (statistically significant).
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