Table 1.
Baseline demographics and clinical features of the study population (n=75)
| Variable | Value |
|---|---|
| Demographic and clinical characteristics | |
| Age (yr) | 64.8±11.9 |
| Sex (men/women) | 57/43 |
| Dialysis vintage (mo) | 41.0 (25.0–69.0) |
| Diabetes mellitus | 46.7 |
| History of cardiovascular disease | 50.7 |
| Kt/V | 1.38±0.26 |
| Access (fistula/graft/catheter) | 80/15/5 |
| Medications | |
| Aspirin | 68 |
| ACEi/ARB | 40 |
| Statin | 31 |
| EPO dosage (×103 U/wk) | 10.0 (5.0–15.0) |
| Dietary intake | |
| Energy intake (kcal/kg per day) | 22.0±5.9 |
| Protein intake (g/kg per day) | 0.93±0.24 |
| nPNA (g/kg per day) | 1.05±0.28 |
| Blood analysis | |
| Albumin (g/dl) | 3.94±0.32 |
| Creatinine (mg/dl) | 8.1±2.6 |
| Cholesterol (mg/dl) | 149.9±32.3 |
| Transferrin (mg/dl) | 166.4±36.7 |
| TLC (×103/ml) | 1.53±0.39 |
| Hemoglobin (g/dl) | 11.5±1.0 |
| IL-6 (pg/ml) | 8.2 (4.9–16.2) |
| Anthropometric measurements | |
| BMI (kg/m2) | 28.4±5.7 |
| TSF (mm) | 17.3±6.9 |
| MAC (cm) | 28.5±3.6 |
| MAMC (cm) | 23.1±2.4 |
| Bioimpedance analysis | |
| TBW (kg) | 36.0±7.18 |
| ECW (kg) | 14.2±4.09 |
| ECW/TBW | 0.39±0.05 |
| FM (kg) | 25.2±10.3 |
| Body fat (%) | 33.3±8.8 |
| FFM (kg) | 46.3±9.0 |
| Phase angle (deg) | 4.96±1.1 |
| Nutritional scores | |
| MIS | 7.2±3.6 |
| GNRI | 110.2±17.4 |
Continuous variables are expressed as mean ± SD or median with interquartile range (Q1 to Q3) for non-normally distributed data, and categorical variables are expressed as a percentage. ACEi, angiotensin converting enzyme inhibitor; ARB, angiotensin receptor blocker; EPO, erythropoietin; nPNA, normalized protein nitrogen appearance; TLC, total lymphocyte count; BMI, body mass index; TSF, triceps skinfold thickness; MAC, mid-arm circumference; MAMC, mid-arm muscle circumference calculated; TBW, total body water; ECW, extracellular water; ECW/TBW, extracellular water/total body water ratio; FM, fat mass; FFM, fat free mass; MIS, malnutrition-inflammation score; GNRI, geriatric nutritional risk index.