prognostic indicators
Last reviewed 01/2018
| Good | Bad | |
| Presenting white cell (important) | less than10 x 10^9 /litre | more than 50 x 10^9 /litre |
| Age | 2-10 years | less than 2 years more than 15 years |
| Sex | Female | Male |
| Clinical | remission within 4 weeks | CNS leukaemia |
| Organomegaly | absent | hepatosplenomegaly |
| CNS involvement | absent | present |
| Morphology | L1 | L3, better than L2 |
| Phenotype | cALL | B-ALL |
| Chromosomes | hyperploidy - more than 50 chromosomes, translocations | hypodiploidy less than 46 chromosomes |