Poor prognostic factor in ALL are -
Person with t(9,22) positive-ALL (30% of adult ALL cases) and other Bcr-abl-rearranged leukemias are more likely to have a poor prognosis, but survival rates may rise with treatment consisting of chemotherapy and Bcr-abl tyrosine kinase inhibitors Ref Davidson 23rd edition pg 933
Philadelphia chromosome
Male sex
High WBC count
Hyperploidy
Haematology