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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Pediatr Blood Cancer. 2011 Feb 25;57(4):569–577. doi: 10.1002/pbc.22944

Figure 1.

Figure 1

Kaplan-Meyer curves comparing the continuous complete remission rates of patients treated on COG P9906 with that of historical controls (similarly-defined subset of high risk patients treated on prior POG protocols 8602, 9006, and 9406). Study 8602 enrolled 1933 patients with ALL, 251 of which had the comparable high risk characteristics of patients in 9906; study 9006 enrolled 614 patients with high risk ALL, with 235 having matching characteristics; and study 9406 enrolled 786 high risk patients with 437 with comparable characteristics. The 5 y CCR rate on 9906 was 62.2±3.7% compared to 50.6±2.4% for the relevant comparison group on 8602/9006 and 63.5±2.4% on 9406.