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Table 2 Univariate cox proportional hazards regression analysis of mortality

From: Asymptomatic peripheral artery disease and mortality in patients on hemodialysis

Parameter Univariate analysis
Hazard ratio (95% CI) P value
PAD   
 Non-PAD Reference  
 Total PAD (vs. non-PAD) 3.040 (1.816 to 5.089) < 0.001
 Asymptomatic PAD (vs. non-PAD) 2.809 (1.559 to 5.059) 0.001
 Symptomatic PAD (vs. non-PAD) 3.515 (1.755 to 7.041) < 0.001
Age, per 1 year 1.067 (1.040 to 1.095) < 0.001
Male vs. female 1.637 (0.938 to 2.855) 0.083
Body mass index, per 1 kg/m2 0.897 (0.824 to 0.977) 0.012
Dialysis vintage, per 1 year 1.009 (0.981 to 1.038) 0.541
Cause of ESRD   0.010
 Glomerulonephritis Reference  
 Diabetic nephropathy 1.624 (0.767 to 3.440) 0.205
 Hypertension 4.782 (2.066 to 11.069) < 0.001
 Cystic disease 1.642 (0.364 to 7.419) 0.519
 Other 1.912 (0.792 to 4.614) 0.149
 Unknown 2.794 (1.083 to 7.208) 0.034
Diabetes 1.033 (0.607 to 1.755) 0.906
Coronary artery disease 1.183 (0.598 to 2.337) 0.630
Cerebrovascular disease 2.040 (1.146 to 3.630) 0.015
Smoking status (ever vs. never) 1.305 (0.764 to 2.231) 0.329
Creatinine, per 1 mEq/L 0.842 (0.763 to 0.929) 0.001
Albumin, per 1 g/dL 0.138 (0.068 to 0.280) < 0.001
Hemoglobin, per 1 g/dL 0.887 (0.679 to 1.159) 0.380
HDL-C, per 1 mg/dL 0.988 (0.968 to 1.008) 0.227
GNRI 0.220 (0.074 to 0.683) 0.009
  1. Analyses were performed using cox proportional hazards regression (unadjusted for background factors on survival)
  2. PAD peripheral artery disease, ESRD end-stage renal disease, HDL-C high-density lipoprotein cholesterol, GNRI geriatric nutritional risk index, CI confidence interval