Fig. 1From: Combining cytogenetic and epigenetic approaches in chronic lymphocytic leukemia improves prognosis prediction for patients with isolated 13q deletion a, b Progression (PFS)- and treatment-free survival (TFS) according to cytogenetic risk groups. Kaplan–Meier survival curves from the date of diagnosis depicted for 127 chronic lymphocytic leukemia patients. Statistical differences between the curves were calculated using the log-rank testBack to article page