Research Article

Aortic Arch Calcification as a Predictor of Repeated Arteriovenous Fistula Failure within 1-Year in Hemodialysis Patients

Table 2

Univariate analysis for the factors associated with the repeated arteriovenous fistula failure within 1 year after arteriovenous fistula creation.

ParametersComparisonOR (95% C.I.) value

Age284Per 1 year increase1.01 (0.98–1.03)0.617
Sex158Male1
126Female1.45 (0.80–2.63)0.220
Cardiovascular disease164No1
120Yes1.02 (0.56–1.85)0.955
Diabetes mellitus76No1
208Yes1.35 (0.67–2.73)0.404
Body mass index279Per 1 kg/m2 increase1.00 (0.94–1.07)0.989
Systolic blood pressure281Per 10 mmHg increase0.98 (0.86–1.13)0.797
Diastolic blood pressure281Per 10 mmHg increase1.07 (0.85–1.34)0.572
Biochemical data (mean value)
 White blood cell count284Per 109/L increase0.97 (0.86–1.10)0.642
 Hemoglobin284Per 0.16 mmol/L decrease1.37 (1.10–1.72)0.006
 Uric acid281Per 0.059 mmol/L increase1.11 (0.95–1.28)0.187
 Corrected calcium284Per 0.25 mmol/L decrease1.69 (1.13–2.51)0.010
 Phosphorus284Per 0.323 mmol/L increase1.16 (0.98–1.39)0.089
 IPTH267Per 10.6 pmol/L increase0.925 (0.78–1.10)0.377
 Serum albumin284Per 10 g/L decrease3.42 (1.88–6.25)<0.001
 Total cholesterol281Per 0.26 mmol/L increase0.97 (0.90–1.04)0.374
 Triglyceride283Per 0.11 mmol/L increase1.03 (1.00–1.06)0.099
Medication
 Anti-platelet agent174No1
110Yes0.92 (0.50–1.69)0.776
 ACEI/ARB80No1
204Yes0.67 (0.35–1.25)0.205
 Lipid lowering agent194No1
90Yes1.22 (0.65–2.27)0.540

Site of AVF206Left1
75Right1.07 (0.55–2.08)0.841
Location of AVF244Forearm1
37Upper arm0.98 (0.41–2.36)0.961
Surgeon239A1
18B0.78 (0.22–2.79)0.697
27C0.31 (0.07–1.36)0.120
Aortic arch calcification130Lower grade1
154Higher grade3.27 (1.66–6.42)0.001

Abbreviations: = Number of observations; OR = Odds ratio; C.I. = Confidence interval; IPTH = Intact parathyroid hormone; ACEI = Angiotensin converting enzyme inhibitor; ARB = Angiotensin receptor blocker; AVF = Arteriovenous fistula. Factor of hypertension was dropped out from analysis because of zero events in repeated arteriovenous fistula failure among patients without hypertension; .