Distribution of patients in treatment groups
| Group . | No. of patients . | . | Subcategories . |
|---|---|---|---|
| Group A | 52 patients | 15 | Resected stage I |
| 37 | Abdominal stage II | ||
| Group B | 386 patients | 16 | Unresected stage I |
| 1 | Abdominal stage II | ||
| 50 | Nonabdominal stage II | ||
| 277 | Stage III | ||
| 31 | Stage IV CNS− (BM 1%-24%) | ||
| 11 | ALL with BM < 70%, CNS− | ||
| Group C | 123 patients | 1 | Stage III |
| 31 | Stage IV CNS+ (23, BM−; 8, BM 2%-23%) | ||
| 55 | ALL with BM ≥ 70%, CNS− | ||
| 36 | ALL CNS+ (BM 52%-99%) |
| Group . | No. of patients . | . | Subcategories . |
|---|---|---|---|
| Group A | 52 patients | 15 | Resected stage I |
| 37 | Abdominal stage II | ||
| Group B | 386 patients | 16 | Unresected stage I |
| 1 | Abdominal stage II | ||
| 50 | Nonabdominal stage II | ||
| 277 | Stage III | ||
| 31 | Stage IV CNS− (BM 1%-24%) | ||
| 11 | ALL with BM < 70%, CNS− | ||
| Group C | 123 patients | 1 | Stage III |
| 31 | Stage IV CNS+ (23, BM−; 8, BM 2%-23%) | ||
| 55 | ALL with BM ≥ 70%, CNS− | ||
| 36 | ALL CNS+ (BM 52%-99%) |
CNS indicates central nervous system; BM, bone marrow; ALL, acute lymphoblastic leukemia.