Table 3. Biomarkers, nutritional and body composition data of survivors and non-survivors in hemodialysis at three years of follow-up.
| Total (n = 85) | Survivors (n = 69) | Non-survivors (n = 16) | |
|---|---|---|---|
| Metabolic variables | |||
| Creatinine, μmol/L | 716.0±229.8 | 733.73±203.3 | 627.6±309.4 |
| Pre-dialysis urea, mmol/L | 46.6±12.8 | 46.8±12.9 | 46.1±12.9 |
| Calcium, mmol/L | 2.3 (2.1–2.4) | 2.3 (2.1–2.4) | 2.2 (2.1–2.4) |
| Phosphorus, mmol/L | 1.5 (1.3–1.7) | 1.5 (1.2–1.7) | 1.5 (1.4–1.8) |
| Ca-P product, mmol2/L2 | 3.2 (2.7–4.0) | 3.2 (2.7–3.9) | 3.5 (2.8–4.4) |
| Parathormone, pmol/L | 270.9 (172.3–593.1) | 270.9 (186.8–584.9) | 335.2 (138.0–650.3) |
| Potassium, mmol/L | 5.5 (5.0–6.4) | 5.5 (5.1–6.4) | 5.4 (4.8–6.8) |
| Hematological variables | |||
| Red blood cell, (x 109/L) | 4.0 (3.0–4.0) | 4.0 (3.0–4.0) | 3.5 (3.0–4.0) |
| Hemoglobin, g/L | 111.0 (94.0–121.0) | 111.0 (94.0–121.0) | 108.0 (90.0–121.0) |
| Hematocrit, % | 33.6 (28.7–37.3) | 33.8 (28.7–37.4) | 33.2 (28.5–37.2) |
| Iron metabolism variables | |||
| Iron, μmol/L | 10.8 (8.0–14.0) | 11.1 (8.9–14.2) | 8.7 (6.8–12.3) |
| TIBC, μmol/L | 40.8 (37.2–44.7) | 40.9 (37.2–44.0) | 40.1 (35.7–46.5) |
| Inflammatory variables | |||
| Ferritin, pmol/L | 994.3 (416.4–1639.4) | 977.0 (409.6–1614.7) | 1025.1 (593.9–1952.0) |
| C-reactive protein, mg/L | 0.5 (0.1–1.1) | 0.4 (0.1–1.1) | 0.5 (0.2–1.0) |
| Lipid profile | |||
| Cholesterol, mmol/L | 4.9±1.1 | 5.0±1.1 | 4.5±1.2 |
| Triglycerides, mmol/L | 1.9 (1.5–2.7) | 1.8 (1.5–2.8) | 2.0 (1.5–2.6) |
| Nutritional and body composition variables | |||
| Albumin, g/L | 41.0 (39.0–43.0) | 41.0 (39.0–43.0) | 42.0 (40.0–44.0) |
| Body mass index, kg/m2 | 22.9 (20.6–26.0) | 23.4±3.6 | 23.6±4.1 |
| MAC, % standard | 88.8±12.7 | 89.3±12.7 | 86.3±13.0 |
| MAMC, % standard | 92.5 (85.8–103.7) | 92.5 (87.0–104.1) | 91.3 (84.4–101.3) |
| CMAMA, cm2 | 38.9 (32.6–44.9) | 39.4 (33.3–44.9) | 35.0 (30.0–45.2) |
| MAFA, cm2 | 10.8 (7.1–15.3) | 11.3 (7.1–16.1) | 8.6 (7.1–11.2) |
| TSF, mm | 9.6 (6.3–14.0) | 10.3 (5.9–14.4) | 7.8 (6.8–10.6) |
| Waist circumference, cm | 89.6±10.0 | 89.6±9.9 | 89.6±10.5 |
| Lean mass, kg | 44.6±8.7 | 45.3±8.4 | 41.7±9.6 |
| Fat mass, kg | 13.4 (9.3–17.5) | 13.7 (9.1–17.8) | 11.4 (9.5–16.4) |
Data are expressed as mean ± SD or median (P25—P75). Ca-P product: calcium-phosphorus product; CMAMA: corrected mid-arm muscle area; MAC: mid-arm circumference; MAFA: mid-arm fat area; MAMC: mid-arm muscle circumference; TIBC: total iron-binding capacity; TSF: triceps skinfold thicknesses.