Fig. 7.
Kaplan-Meier estimate of event-free survival of evaluable patients, according to modified National Cancer Institute consensus risk criteria.
Results are independent of immunophenotype and results in infants. Standard risk is a white blood cell (WBC) count below 50 × 109L and age 1 year to under 10 years; high risk is a WBC οf 50 × 109L or higher or age 10 years or older.