Variable Mean (SD) or Frequency % | Overall | Arteriovenous Fistula | Central Venous Catheter | p-value |
---|---|---|---|---|
(n = 1196) | ||||
Vascular Access Type | 45.7% | 54.3% | ||
Demographic Characteristic (%) | ||||
Age (year) | 64.8 (15.1) | 63.2 (15.2) | 66.1 (14.9) | 0.0009 |
Age Group | 0.0138 | |||
< 65 | 42.7 | 47.0 | 39.1 | |
65–74 | 26.5 | 25.8 | 27.1 | |
75+ | 30.8 | 27.2 | 33.7 | |
Female | 36.9 | 30.0 | 42.7 | < 0.0001 |
Lifestyle Factor (%) | ||||
Body mass index (kg/m2) | 27.3 (6.5) | 27.6 (6.1) | 27.1 (6.8) | 0.1960 |
BMI Group | 0.0315 | |||
< 20 | 4.8 | 3.2 | 6.2 | |
20–25 | 34.8 | 33.0 | 36.5 | |
26–30 | 33.4 | 36.6 | 30.6 | |
> 30 | 26.9 | 27.2 | 26.7 | |
Comorbid conditions (%) | ||||
Hypertension | 56.4 | 58.9 | 54.2 | 0.1212 |
Diabetes mellitus | 31.4 | 29.1 | 33.4 | 0.1191 |
Atherosclerotic heart disease | 18.6 | 18.1 | 19.1 | 0.7105 |
Congestive heart disease | 15.7 | 15.4 | 16 | 0.8130 |
Other cardiac disease | 15.7 | 15.4 | 16 | 0.8130 |
Cerebrovascular disease | 7.3 | 5.9 | 8.5 | 0.1033 |
Peripheral vascular disease | 5.7 | 5.9 | 5.5 | 0.9202 |
Primary Kidney Disease (%) | < 0.0001 | |||
Glomerulonephritis | 19.2 | 20.3 | 18.3 | |
Diabetes | 18.6 | 18.5 | 18.8 | |
Hypertension | 8.6 | 10.2 | 7.2 | |
Cystic kidney disease | 6.4 | 9.5 | 3.7 | |
Other urologic | 9.4 | 9.5 | 9.4 | |
Other cause | 9.5 | 9.5 | 9.6 | |
Unknown/missing | 28.2 | 22.5 | 33.0 | |
Laboratory values (mean (SD)) | ||||
Albumin (g/L) | 36.8 (4.4) | 37.5 (3.9) | 36.3 (4.7) | < 0.0001 |
Calcium (mmol/L) | 2.3 (0.2) | 2.3 (0.2) | 2.2 (0.2) | 0.0025 |
Phosphorous (mmol/L) | 1.6 (0.4) | 1.6 (0.4) | 1.5 (0.4) | 0.3880 |
Pre-dialysis creatinine (μmol/L) | 731.1 (243.7) | 776.8 (236.2) | 692.8 (243.5) | < 0.0001 |
Dialysis Vintage (%) | < 0.0001 | |||
< 1 year | 15.6 | 9.7 | 20.7 | |
1–4 years | 42.6 | 43.5 | 41.9 | |
> 4 years | 41.7 | 46.8 | 37.4 |