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Table 3 Risk factors for cardiovascular events by Cox analysis

From: Carotid artery calcification at the initiation of hemodialysis is a risk factor for cardiovascular events in patients with end-stage renal disease: a cohort study

  Univariate Multivariatea
Variable HR 95%CI p value HR 95% CI p value
Age 1.03 1.00-1.06 0.04 1.01 0.98-1.05 0.38
Male 1.27 0.71-2.32 0.43 - - -
Hypertension 3.27 0.71-57.9 0.15 - - -
Diabetes Mellitus 1.49 0.83-2.76 0.19 - - -
Dyslipidemia 1.35 0.68-2.97 0.41 - - -
Smoking 1.95 1.09-3.52 0.02 1.73 0.94-3.20 0.08
Previous CV disease 1.40 0.78-2.48 0.26 - - -
Pulse pressure (mm Hg) 1.00 0.99-1.02 0.83 - - -
Body mass index (kg/m2) 0.98 0.90-1.07 0.69 - - -
Up/Ucr 1.02 0.97-1.07 0.38 - - -
Serum albumin (g/dL) 0.74 0.47-1.17 0.20 - - -
Ca-P product (mg2/dL2) 0.98 0.96-1.00 0.11 - - -
C-reactive protein (mg/dL) 1.19 0.66-1.91 0.53 - - -
intact-PTH (pg/mL) 1.00 0.996-1.00 0.14 - - -
CCA-IMT (mm) 2.97 1.20-6.52 0.02 1.51 0.52-3.79 0.43
CAP 1.69 0.90-3.39 0.10 - - -
CAAC 3.78 1.72-9.97 < 0.01 2.85 1.18-8.00 0.02
AAC 1.52 0.85-2.77 0.15    
Low ABI 1.77 0.83-3.43 0.13 - - -
  1. Abbreviations: HR, hazard ratio; CI, confidence interval; CV, cardiovascular; Up/Ucr, urinary protein-creatinine ratio; Ca-P, calcium-phosphorus; PTH, parathyroid hormone; CCA-IMT, common carotid artery-intima-media thickness; CAP, carotid artery plaque; CAAC, carotid artery calcification; AAC, aortic arch calcification; ABI, ankle-brachial index. a The multivariate model includes variables for which p < 0.10 by univariate analysis.