Survival rates. Compared with MDS/MPN-U, patients with aCML showed a significant inferior OS (12.4 months, 95% CI [9.0-16.1] vs 21.8 months, 95% CI [17.6-28.8]) and ACL-free survival (11.2 months, 95% CI [7.0-13.5] vs 18.9 months, 95% CI [12.3-26.3]).