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— Comparison of cumulative event-free survival (Kaplan–Meier analysis) for fatal and nonfatal cardiovascular events in peritoneal dialysis patients stratified by quartiles of aortic stiffness index beta (ASIβ). A log-rank test showed a significant difference between the 1st and 3rd quartiles (p < 0.015), 1st and 4th quartiles (p < 0.001), 2nd and 4th quartiles (p < 0.001), and 3rd and 4th quartiles (p < 0.017).
