From: Methotrexate resistance in relation to treatment outcome in childhood acute lymphoblastic leukemia
 |  | TSIA cont. | TSIA short | MTX-Glu1–6 | MTX-Glu4–6 |
---|---|---|---|---|---|
Normal cytogenetics | N | 16 | 23 | 18 | 17 |
Median (range) | 0.048 (0.01–0.71) | 0.28 (0.16–2.84) | 2102 (436–4240) | 1514 (209–3190) | |
MLL-rearranged | N | 8 | 6 | 4 | 3 |
Median (range) | 0.06 (0.03–0.16) | 0.21 (0.16–1.33) | 591 (360–1016) | 350 (280–443) | |
P value | 0.610 | 0.896 | 0.005* | 0.012* | |
BCR-ABL | N | 4 | 2 | 4 | 2 |
Median (range) | 0.04 (0.03–0.28) | – | 2088 (360–3721) | 1630 (1212–2047) | |
P value | 0.750 | 0.240 | 0.712 | 0.749 | |
TEL-AML1 | N | 10 | 9 | 8 | 7 |
Median (range) | 0.16 (0.06–0.37) | 0.82 (0.54–11.21) | 945 (290–2476) | 550 (380–1152) | |
P value | 0.023* | 0.06 | 0.013* | 0.007* | |
E2A-PBX1 | N | 3 | 3 | 1 | 0 |
Median (range) | 0.14 (0.05–0.29) | 0.77 (0.57–1.12) | – | – | |
P value | 0.254 | 0.157 | – | – |