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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.