Fig. 1

Hazard ratios and 95% confidence intervals for all-cause and cardiovascular mortality according to the levels of pre- and postdialysis SBP. Closed squares and vertical lines show hazard ratios and 95% confidence intervals, respectively, for all-cause (a) and cardiovascular (b) mortality according to the levels of predialysis (black squares and vertical lines) and postdialysis (blue squares and vertical lines) SBP. *P < 0.05 vs. SBP 120–139 mmHg, SBP systolic blood pressure