Fig. 4.
Kaplan-Meier plot of actuarial EFS in children with and without DS with megakaryoblastic leukemia on CCG-2861 and CCG-2891; numbers in parentheses indicate number at risk. EFS in DS M7 is 73% (CI95, 41%-91%); DS non-M7, 64% (CI95, 31%-87%); non-DS M7, 21% (CI95, 6%-53%); non-DS non-M7, 37% (CI95, 32%-43%).