Table 5.
Independent variable predictors of arteriovenous access vs. central venous catheter as the vascular access for hemodialysis initiation in the final regression model
| Variablea | Odds ratio (95% CI) |
|---|---|
| Poor functional status | 0.79 (0.72, 0.86) |
| Age ≥ 80 years | 0.88 (0.82, 0.93) |
| Body mass index, kg/m2 | |
| < 18.5 | 0.96 (0.82, 1.11) |
| 18.5–25 | 0.97 (0.91, 1.04) |
| 25–30 | 1.03 (0.96, 1.10) |
| Missing | 1.02 (0.83, 1.27) |
| Females | 0.83 (0.79, 0.88) |
| Race | |
| Asians | 0.94 (0.81, 1.10) |
| Blacks | 1.10 (1.03, 1.17) |
| Hispanics | 0.81 (0.74, 0.90) |
| Native Americans | 0.88 (0.67, 1.17) |
| History of nursing home | 0.71 (0.63, 0.80) |
| Unemployment | 1.06 (0.98, 1.16) |
| Comorbidities | |
| Congestive heart failure | 0.75 (0.71, 0.80) |
| Atherosclerotic heart disease | 0.92 (0.87, 0.97) |
| Hypertension | 1.18 (1.09, 1.28) |
| Diabetes mellitus | 0.96 (0.89, 1.03) |
| Cancer | 0.97 (0.87, 1.06) |
| Amputation | 0.88 (0.75, 1.03) |
| Peripheral vascular disease | 1.02 (0.95, 1.09) |
| CVA/TIA | 1.36 (0.95, 1.12) |
| Chronic obstructive pulmonary disease | 0.87 (0.79, 0.94) |
| Albumin, g/dL | |
| < 3.5 | 0.52 (0.49, 0.55) |
| Missing | 0.58 (0.54, 0.63) |
| Hemoglobin, g/dL | |
| < 11 | 0.87 (0.79, 0.95) |
| 11–12 | 1.18 (1.06, 1.31) |
| Missing | 0.99 (0.87, 1.12) |
| Pre-dialysis acute hospitalization | 0.41 (0.38, 0.44) |
| Cause of ESRD | |
| Cystic/hereditary | 1.40 (1.11, 1.66) |
| Glomerulonephritis | 0.93 (0.82, 1.07) |
| Hypertension/large vessel disease | 0.88 (0.82, 0.95) |
| Interstitial nephritis/pyelonephritis | 0.83 (0.70, 0.98) |
| Others/unknown | 0.52 (0.45, 0.59) |
| Malignancy | 0.56 (0.46, 0.69) |
| Vasculits/secondary GN | 0.52 (0.39, 0.70) |
| Pre-dialysis nephrology care | |
| 0–12 months | 6.49 (5.86, 7.19) |
| > 12 months | 11.42 (10.31, 12.65) |
| Unknown | 1.77 (1.54, 2.04) |
| Access to transplant information | 1.18 (1.12, 1.25) |
ESRD end stage renal disease, CVA/TIA cerebrovascular accident/transient ischemic attack, GN glomerulonephritis
aReferents were good functional status to poor functional status, arteriovenous access for vascular access, > 30 for body mass index, male for gender, White for race, no for comorbidities, > 3.5 mg/dl for serum albumin, > 12 for serum hemoglobin,, and diabetes mellitus for ESRD cause