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Table 2 Patient characteristics associated with lack of conversion to functional AV access in patients starting hemodialysis with nonfunctional AV access or with catheter only

From: Vascular access conversion and patient outcome after hemodialysis initiation with a nonfunctional arteriovenous access: a prospective registry-based study

Characteristics

Vascular access at baseline

P-value for interactiona

Nonfunctional AV access

Catheter only

aOR (95% CI)

P-value

aOR (95% CI)

P-value

Women

1.25 (1.10–1.43)

0.0009

1.28 (1.20–1.36)

<0.0001

0.9514

Age (1-year increase)

1.01 (1.01–1.02)

<0.0001

1.02 (1.01–1.02)

<0.0001

0.0117

Primary renal disease

 

0.5615

 

<0.0001

0.0938

 Hypertensive/Vascular

0.94 (0.73–1.22)

 

0.93 (0.83–1.04)

  

 Diabetic nephropathy

0.94 (0.71–1.25)

 

0.84 (0.74–0.95)

  

 Glomerulonephritis

     

 Polycystic kidney disease

1.11 (0.76–1.61)

 

0.79 (0.64–0.97)

  

 Other

1.13 (0.87–1.47)

 

1.19 (1.07–1.33)

  

 Unknown

1.00 (0.75–1.34)

 

1.15 (1.03–1.29)

  

Diabetes

0.92 (0.77–1.10)

0.3405

0.99 (0.92–1.07)

0.8856

0.6441

Number of cardiovascular comorbidities

0.0008

 

<0.0001

0.4444

 0

     

 1

1.19 (1.01–1.40)

 

1.12 (1.04–1.21)

  

 2

1.27 (1.04–1.54)

 

1.39 (1.28–1.52)

  

 3

1.45 (1.16–1.82)

 

1.58 (1.42–1.75)

  

 4 or 5

2.09 (1.55–2.82)

 

1.88 (1.63–2.17)

  

Lower limb amputation

1.13 (0.73–1.74)

0.5884

1.26 (1.07–1.47)

0.0050

0.3740

Malignancy

1.23 (0.99–1.52)

0.0592

1.65 (1.51–1.79)

<0.0001

0.0056

Mobility status

 

<0.0001

 

<0.0001

0.0105

 Autonomous

     

 Needs assistance

1.41 (1.17–1.69)

 

1.61 (1.48–1.74)

  

 Totally dependent

2.05 (1.55–2.70)

 

2.90 (2.56–3.28)

  

Body mass index (kg/m2)

0.9333

 

0.0003

0.0856

 <18.5

1.03 (0.73–1.47)

 

1.21 (1.07–1.36)

  

 [18.5–25.0]

     

 [25.0–30.0]

1.01 (0.86–1.19)

 

0.96 (0.89–1.03)

  

 ≥30.0

1.03 (0.86–1.23)

 

0.85 (0.78–0.94)

  

Serum albumin (1-g/l increase)

0.99 (0.98–1.01)

0.3773

0.99 (0.99–1.00)

0.0033

0.2750

Anemia (hemoglobin <10 g/dl)

0.95 (0.83–1.10)

0.5156

0.91 (0.85–0.97)

0.0027

0.6696

Predialysis ESA treatment

1.12 (0.98–1.27)

0.0899

1.04 (0.97–1.11)

0.3031

0.3383

Estimated glomerular filtration rate (MDRD ml/min/1.73 m2)

0.0037

 

<0.0001

0.9829

 eGFR≤5

0.68 (0.54–0.86)

 

0.75 (0.68–0.83)

  

 5<eGFR≤10

0.88 (0.74–1.03)

 

0.91 (0.84–0.99)

  

 10<eGFR≤15

     

 15<eGFR≤20

1.11 (0.83–1.48)

 

1.19 (1.04–1.37)

  

 eGFR>20

1.38 (0.90–2.12)

 

1.35 (1.13–1.60)

  

Facility type

 

0.0001

 

0.0001

0.3805

 In center

     

 Satellite unit

0.37 (0.19–0.73)

 

0.59 (0.42–0.82)

  

 Self-dialysis

0.28 (0.14–0.57)

 

0.48 (0.35–0.65)

  

Facility ownership

 

0.0790

 

0.1452

0.6509

 Public university

     

 Public non-university

0.77 (0.66–0.91)

 

0.82 (0.76–0.89)

  

 Private for-profit

0.78 (0.66–0.92)

 

0.79 (0.73–0.85)

  

 Private not-for-profit

1.11 (0.88–1.40)

 

0.94 (0.85–1.05)

  
  1. a P-value for interaction between patient characteristic and AV access at baseline. ORs were adjusted for year of hemodialysis initiation and for all variables in Table 2. Abbreviations: aOR adjusted odds ratio, CI confidence interval, AV arteriovenous, ref reference, ESA erythropoiesis-stimulating agents, MDRD Modification of Diet in Renal Disease
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BMC Nephrology

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