Table 2.
Baseline characteristics stratified by race/ethnicity in 109,152 HD patients
| Race/Ethnicity | ||||
|---|---|---|---|---|
|
| ||||
| Variables | Total w/Known Race | Non-Hispanic White | African American | Hispanic |
| N | 109,152 | 56,542 | 35,290 | 17,320 |
| Age (years) | 62±15 | 66±14 | 58±15 | 59±15 |
| Female (%) | 43 | 41 | 48 | 42 |
| Insurance (%) | ||||
| Medicare | 53 | 58 | 50 | 45 |
| Medicaid | 7 | 4 | 7 | 14 |
| Other | 40 | 38 | 43 | 41 |
| Access (%) | ||||
| CVC | 78 | 77 | 78 | 82 |
| AV Fistula | 15 | 17 | 13 | 13 |
| AV Graft | 4 | 3 | 6 | 3 |
| AV Other | <1 | <1 | <1 | <1 |
| Unknown | 3 | 3 | 3 | 3 |
| Weight (kg) | 81.0±22.6 | 81.7±22.6 | 83.3±23.6 | 74.2±18.9 |
| Body Mass Index (kg/m2) | 28.3±7.4 | 28.1±7.3 | 28.7±7.9 | 27.5±6.4 |
| eLBM (kg) | 51.9±8.9 | 52.0±8.7 | 53.6±9.1 | 48.3±7.7 |
| Comorbidities (%) | ||||
| Diabetes (%) | 59 | 56 | 58 | 69 |
| Atherosclerotic Disease | 15 | 18 | 14 | 13 |
| Congestive Heart Failure | 38 | 38 | 37 | 38 |
| Hypertension | 52 | 49 | 62 | 45 |
| Other Cardiovascular Diseases | 16 | 19 | 14 | 12 |
| Cerebrovascular Disease | 2 | 2 | 2 | 1 |
| Chronic Obstructive Pulmonary Disease | 5 | 7 | 5 | 3 |
| History of cancer | 2 | 3 | 2 | 1 |
| Substance Abuse | 0.2 | 0.1 | 0.5 | 0.1 |
| Alcohol Dependence | 0.2 | 0.2 | 0.3 | 0.2 |
| HIV | 0.5 | 0.2 | 1 | 0.2 |
| Laboratory values | ||||
| Calcium (mg/dl) | 8.7±0.6 | 8.7±0.6 | 8.7±0.6 | 8.5±0.6 |
| Phosphorus (mg/dl) | 4.9±1.2 | 4.9±1.2 | 4.9±1.1 | 5.1±1.2 |
| Intact Parathyroid Hormone (pg/dl) | 313[196,486] | 264[165,403] | 405[261,616] | 330[217,486] |
| Ferritin (ng/mL) | 278[162,477] | 275[162,469] | 294[169,509] | 259[151,438] |
| White Blood Cell Count (×103/μL) | 7.8±2.7 | 8.0±2.8 | 7.4±2.5 | 7.8±2.3 |
| Hemoglobin (g/dl) | 11.1±1.2 | 11.2±1.2 | 10.9±1.2 | 11.3±1.1 |
| Residual Renal Function (ml/min) | 4.4±3.6 | 4.6±3.6 | 4.1±3.6 | 4.1±3.5 |
| Single Pool Kt/V | 1.5±0.3 | 1.5±0.4 | 1.4±0.3 | 1.5±0.3 |
| Urea Reduction Ratio (%) | 68.2±7.4 | 68.2±7.4 | 67.5±7.4 | 69.4±7.0 |
| Albumin (g/dl) | 3.5±0.5 | 3.5±0.5 | 3.5±0.5 | 3.5±0.5 |
| Bicarbonate (mEq/l) | 23.6±2.7 | 23.6±2.7 | 23.8±2.6 | 23.1±2.7 |
| Creatinine (mg/dl) | 5.9±2.4 | 5.2±2.0 | 6.7±2.6 | 6.2±2.5 |
| nPCR (g/Kg/day) | 0.8±0.2 | 0.8±0.2 | 0.8±0.2 | 0.8±0.2 |
| Potassium (mg/dl) | 4.4±0.5 | 4.4±0.5 | 4.3±0.5 | 4.6±0.5 |
| ISAT (%) | 23.0±9.0 | 22.9±9.2 | 23.1±9.0 | 23.4±8.7 |
| TIBC (μg/dl) | 225.7±49.0 | 228.6±50.7 | 220.4±47.0 | 227.0±46.5 |
| Lymphocytes (%) | 20.7±7.6 | 19.1±7.3 | 22.9±7.7 | 21.2±6.7 |
Note: Categorical variables are presented as percentages; continuous variables as mean (standard deviation) or median (interquartile range).
Abbreviations: eLBM, estimated lean body mass; nPCR, normalized protein catabolic rate; ISAT, iron saturation ratio; TIBC, total iron-binding capacity.