Table 3.

Associations of patient characteristics with estimated GFR at dialysis initiation

CharacteristicsModel
Logistic Regression, AOR (95% CI)a,bLinear Regression, Estimated GFR, Parameter Estimateb
Age, yr
 20–441
 45–641.22 (1.16 to 1.28)c0.53c
 ≥651.83 (1.73 to 1.92)c1.53c
 Women0.68 (0.66 to 0.70)c−1.02c
Race
 White1
 African American0.93 (0.90 to 0.97)c−0.19c
 Other0.56 (0.52 to 0.60)c−1.38c
 Hispanic0.70 (0.67 to 0.74)c−0.88c
Primary cause of ESRD
 Diabetes1
 Hypertension0.79 (0.76 to 0.83)c−0.50c
 GN0.60 (0.56 to 0.65)c−1.18c
 Other/missing/unknown0.77 (0.73 to 0.81)c−0.49c
Comorbid conditions
 Coronary artery disease1.11 (1.07 to 1.15)c0.27c
 Congestive heart failure1.53 (1.48 to 1.58)c1.20c
 Cerebrovascular accident/transient ischemic attack0.98 (0.94 to 1.03)−0.05
 Other cardiovascular disease1.31 (1.26 to 1.36)c0.80c
 Peripheral vascular disease1.10 (1.05 to 1.14)c0.23c
 Diabetes1.27 (1.22 to 1.32)c0.64c
 Chronic obstructive pulmonary disease1.19 (1.14 to 1.25)c0.51c
 Cancer0.89 (0.84 to 0.94)c−0.39c
 Inability to ambulance1.26 (1.17 to 1.35)c0.64c
 Inability to transfer1.18 (1.07 to 1.31)c0.68c
 Socioeconomic status less than median0.96 (0.93 to 0.99)c−0.15c
 Medicaid at initiation1.21 (1.17 to 1.26)c0.49c
 Urban residence0.95 (0.92 to 0.99)d−0.06
Serum albumin, g/dl
 <3.01.09 (1.05 to 1.14)c0.22c
 3.0 to <3.411
 ≥3.41.05 (1.01 to 1.10)d0.02
 Missing1.14 (1.09 to 1.20)c0.32c
Body mass index, kg/m2
 <18.51.28 (1.18 to 1.38)c0.52c
 18.5 to <2511
 25 to <300.90 (0.87 to 0.93)c−0.25c
 ≥300.95 (0.92 to 0.99)d−0.08
 Missing1.00 (0.88 to 1.13)0.18
  • AOR, adjusted odds ratio; CI, confidence interval.

  • a Estimated GFR>10 versus ≤10 ml/min per 1.73 m2.

  • b Adjusted for provider's sex, years since end of training, foreign medical graduate status, nephrology provider density, pre-ESRD care, access at dialysis initiation, and variables in the table.

  • c P<0.001.

  • d P<0.50.