Table 2.
Unadjusted | Case-mix adjusted | |
---|---|---|
Age (each 10-year increase) | 0.8 (0.7–0.8)* | 0.8 (0.8–0.9)* |
Gender (women versus men) | 1.0 (1.0–1.1) | 1.0 (1.0–1.1) |
Diabetes mellitus (versus no diabetes) | 0.9 (0.8–0.9)* | 0.9 (0.9–1.0)* |
Race/ethnicity | ||
Non-Hispanic whites (reference) | 1 | 1 |
African Americans | 2.6 (2.5–2.7)* | 2.1 (2.0–2.2)* |
Hispanics | 1.1 (1.0–1.1)* | 0.9 (0.8–1.0)* |
Asians | 0.7 (0.7–0.8)* | 0.6 (0.6–0.7)* |
Dialysis treatment vintage time | ||
< 6 Months (reference) | 1 | 1 |
6–24 Months | 1.1 (1.1–1.2)* | 1.0 (1.0–1.1) |
2–5 Years | 1.7 (1.6–1.8)* | 1.5 (1.4–1.6)* |
> 5 Years | 2.6 (2.4–2.7)* | 2.1 (1.9–2.3)* |
Primary insurance | ||
Medicare (reference) | 1 | 1 |
Medicaid | 1.3 (1.1–1.4)* | 0.9 (0.9–1.0)* |
Private insurance | 1.1 (1.0–1.1) | 0.9 (0.9–1.1) |
Kt/V (each 0.1-unit increase) | 1.0 (0.9–1.0)* | 1.0 (0.9–1.0)* |
nPCR (nPNA) (each 0.1 g/kg/day increase) | 1.0 (1.0–1.1)* | 1.0 (1.0–1.1)* |
BMI (each 1 kg/m2 increase) | 1.0 (1.0–1.1)* | 1.0 (1.0–1.1)* |
Biochemical measures | ||
Albumin (each 0.1 g/dL increase) | 1.1 (1.0–1.1)* | 1.0 (1.0–1.1)* |
Creatinine (each 1 mg/dL increase) | 1.2 (1.1–1.2)* | 1.1 (1.0–1.1)* |
TIBC (each 10 mg/dL increase) | 1.0 (1.0–1.1)* | 1.0 (1.0–1.1)* |
Phosphorus (each 1 mg/dL increase) | 1.4 (1.3–1.4)* | 1.3 (1.3–1.4)* |
Calciuma (each 1 mg/dL increase) | 1.4 (1.3–1.4)* | 1.4 (1.3–1.4)* |
Ferritin (each 100 ng/mL increase) | 1.0 (1.0–1.1)* | 1.0 (0.9–1.0) |
Hemoglobin (each 1 g/dL increase) | 1.0 (0.9–1.0)* | 1.0 (0.9–1.0)* |
WBC (each 103/µL increase) | 0.9 (0.9–1.0)* | 1.0 (0.9–1.0)* |
Lymphocyte (each 1% of total WBC increase) | 1.0 (1.0–1.1)* | 1.0 (1.0–1.1)* |
Intact PTH (each 100 pg/mL increase) | 1.4 (1.3–1.4)* | 1.3 (1.3–1.4)* |
Alkaline phosphatase (each 10 U/L increase) | 1.0 (1.0–1.1)* | 1.1 (1.0–1.1)* |
nPCR, normalized protein catabolic rate; nPNA, normalized protein nitrogen appearance.
Serum calcium is adjusted for serum albumin.
p < .001.