Table 3.

Patient and center characteristics associated CVC use (versus AVF) access at 90 days after hemodialysis initiation

VariableAOR (95% CI)aP Value
Sex
 Male (reference)1.00
 Female1.76 (1.01 to 3.12)0.05
Age per 1 year increase1.01 (0.99 to 1.02)0.44
Primary cause of ESKD
 Diabetic nephropathy (reference)1.00
 Polycystic kidney disease0.62 (0.20 to 1.94)0.40
 GN1.08 (0.39 to 3.06)0.88
 Hypertension3.21 (0.77 to 15.75)0.12
 Urologic0.52 (0.15 to 1.78)0.29
 Other2.96 (0.93 to 10.63)0.08
 Unknown/missing2.00 (0.80 to 5.22)0.15
Comorbidities
 Hypertension0.83 (0.49 to 1.39)0.48
 Diabetes1.68 (0.77 to 3.88)0.20
 Cerebrovascular disease2.8 (0.83 to 13.21)0.13
 Congestive heart failure0.5 (0.26 to 0.97)0.04
 Peripheral vascular disease1.69 (0.49 to 7.94)0.45
 Atherosclerotic heart disease0.92 (0.45 to 1.92)0.82
BMI (kg/m2) category
 <18.50.90 (0.23 to 4.70)0.89
 18.5–25.0 (reference)1.00
 25.0–30.00.85 (0.46 to 1.54)0.59
 >30.00.64 (0.34 to 1.19)0.16
Laboratory measures
 Albumin per 1 g/L increase0.88 (0.82 to 0.95)0.001
 Hemoglobin per 1 g/dl increase0.36 (0.07 to 1.89)0.23
 Calcium per 1 mmol/L increase0.97 (0.78 to 1.21)0.80
Center of supervision
 Center 1 (reference)1.00
 Center 20.55 (0.19 to 1.70)0.28
 Center 30.41 (0.17 to 0.96)0.04
 Center 41.88 (0.69 to 5.46)0.23
 Center 50.86 (0.31 to 2.63)0.79
 Center 61.46 (0.33 to 10.35)0.65
 Center 70.43 (0.13 to 1.47)0.16
 Center 80.46 (0.19 to 1.11)0.08
 Center 90.25 (0.09 to 0.67)0.006
 Center 100.79 (0.31 to 2.07)0.62
  • CVC, central venous catheter; AVF, arteriovenous fistula; AOR, adjusted odds ratio; BMI, body mass index.

  • a Adjusted odds ratio from logistic regression model adjusted for dialysis center, demographic and lifestyle characteristics (sex, age, and BMI group), comorbid conditions, primary cause of kidney disease, and laboratory indicators. Area under the curve=0.77.