Fig. 1From: Association of restless legs syndrome and mortality in end-stage renal disease: an analysis of the United States Renal Data System (USRDS) a Mortality in patients with ESRD by RLS status, unadjusted crude survival assessed by Kaplan-Meier analysis, Wilcoxon p = 0.2. b Mortality in patients with ESRD by RLS status, survival assessed by Cox regression analysis including 95% CI (shaded regions)Back to article page