Table 2.
Laboratory findings of hemodialysis patients.
| Parameter | Hemodialysis Group (N = 91) | Control Group (N = 70) | p * |
|---|---|---|---|
| Erythrocytes (×1012/L) | 3.7 ± 0.5 | 4.3 ± 0.6 | <0.001 |
| Hemoglobin (g/L) | 110.7 ± 10.6 | 137.5 ± 11.9 | <0.001 |
| Hematocrit | 0.34 ± 0.03 | 0.42 ± 0.05 | <0.001 |
| MCV (fL) | 91.9 ± 6.9 | 92.2 ± 6.2 | 0.776 |
| Plasma iron (µmol/L) | 11.4 ± 5.2 | 16.8 ± 4.8 | <0.001 |
| Total proteins (g/L) | 65.9 ± 5.2 | 71.5 ± 5.7 | <0.001 |
| Albumins (g/L) | 38.5 ± 3.0 | 43.1 ± 2.8 | <0.001 |
| Pre-dialysis creatinine (µmol/L) | 833.8 ± 186.1 | − | − |
| Post-dialysis creatinine (µmol/L)‡ | 335.5 ± 103.5 | 82.8 ± 16.8 † | <0.001 |
| Pre-dialysis urea (mmol/L) | 23.8 ± 6.2 | − | − |
| Post-dialysis urea (mmol/L) ‡ | 8.1 ± 3.5 | 6.2 ± 2.1 † | <0.001 |
| Pre-dialysis potassium (mmol/L) | 5.2 ± 0.8 | − | − |
| Post-dialysis potassium (mmol/L) ‡ | 3.5 ± 0.3 | 4.3 ± 0.4 † | <0.001 |
| Uric acid (µmol/L) | 345.2 ± 74.6 | 312.5 ± 68.4 | 0.005 |
| Sodium (mmol/L) | 138.4 ± 3.2 | 139.6 ± 3.4 | 0.024 |
| Calcium (mmol/L) | 2.27 ± 0.17 | 2.32 ± 0.12 | 0.038 |
| Phosphates (mmol/L) | 1.6 ± 0.5 | 1.1 ± 0.3 | <0.001 |
| Chlorides (mmol/L) | 101.9 ± 3.2 | 102.2 ± 3.3 | 0.566 |
| PTH (pmol/L) | 37.0 (17.0–56.0) | 5.0 (4.0–6.0) | <0.001 |
| Fasting glucose (mmol/L) | 6.7 ± 3.1 | 5.5 ± 0.7 | 0.003 |
| CRP (mg/L) | 4.5 (1.5–8.5) | 0.8 (0.4–1.8) | <0.001 |
| Total cholesterol (mmol/L) | 4.4 ± 3.1 | 4.6 ± 2.9 | 0.677 |
| HDL-cholesterol (mmol/L) | 1.08 ± 0.36 | 1.12 ± 0.24 | 0.424 |
| LDL-cholesterol (mmol/L) | 2.2 ± 1.0 | 2.4 ± 1.1 | 0.109 |
| Triglycerides (mmol/L) | 1.96 ± 1.04 | 1.84 ± 0.98 | 0.458 |
Abbreviations: MCV, mean corpuscular volume; PTH, parathyroid hormone; CRP, C-reactive protein; HDL, high-density lipoprotein; LDL, low-density lipoprotein. Data are presented as mean ± standard deviation or median (IQR). *, t-test for independent samples or Mann–Whitney test. †, fasting values for control group. ‡, post-dialysis stands only for the HD group.