Fig. 2From: Characterizing and prognosticating chronic lymphocytic leukemia in the elderly: prospective evaluation on 455 patients treated in the United StatesOverall survival in elderly CLL patients vs. younger patients. Kaplan–Meier curves of OS for patients in a LOT1 and b LOT ≥ 2 stratified by age. Percentages are rounded to the nearest whole number. CI confidence interval, LOT1 first line of therapy, LOT ≥ 2 second line of therapy or greater, OS overall survivalBack to article page