Research Paper Volume 15, Issue 8 pp 3052—3063
Association between red blood cell distribution width and ischemic stroke recurrence in patients with acute ischemic stroke: a 10-years retrospective cohort analysis
Figure 2. Kaplan–Meier estimates of recurrent ischemic stroke according to baseline RDW levels. (A) RDW was assessed as a categorical variable based on quartile: quartile 1, RDW≤12.4%; quartile 2, 12.8%≥RDW>12.4%; quartile 3, 13.3%≥RDW>12.8%; quartile 4, RDW>13.3%. (B) Quartiles 1 and 2 were combined into one group, and quartiles 3 and 4 were combined into one group.