From: Atrial fibrillation in chronic dialysis patients in the United states: risk factors for hospitalization and mortality
P Value
Hazard Ratio
95% CI
Coumadin use Quartiles of Predialysis SBP, mm Hg (vs. <130)
0.014
0.39
0.18–0.83
Quartiles of Predialysis SBP, mm Hg (vs. <130)
   130–146
0.012
0.44
0.23–0.84
   >162
0.024
0.53
0.31–0.83