| Total (N = 29) | Group 1 (N = 13) | Group 2 (N =1 6) | |
| Age (years) | 54.06 ± 14.72 | 53.23 ± 13.92 | 54.75 ± 15.02 |
| Sex (M:F) | 13:16 | 5:8 | 8:8 |
| Cause of ESRD N (%) | |||
| Hypertension | 16 (55.2) | 7 (53.8) | 9 (56.3) |
| Chronic GN | 6 (20.7) | 5 (38.5) | 1 (6.3) |
| Polycystic kidney | 3 (10.3) | 0 | 3 (18.8) |
| Unknown | 4 (13.7) | 1 (7.7) | 3 (18.8) |
| BMI (kg/m2) | 23.02 ± 3.93 | 22.37 ± 3.13 | 23.55 ± 3.80 |
| Kt/V | 1.48 ± 0.20 | 1.48 ± 0.21 | 1.48 ± 0.20 |
| nPCR (g/kg/day) | 0.88 ± 0.22 | 0.85 ± 0.24 | 0.90 ± 0.20 |
| HD duration (months) | 63.72± 42.78 | 70.15 ± 45.95 | 58.50 ± 40.78 |
| CRP (mg/dL) | 0.35 ± 0.46 | 0.35 ± 0.56 | 0.34 ± 0.38 |
| Calcium (mg/dL) | 9.26 ± 0.88 | 9.26 ± 0.64 | 9.27 ± 1.05 |
| Phosphorus (mg/dL) | 5.22 ± 1.44 | 5.33 ± 1.34 | 5.13 ± 1.55 |
| Ca × P product | 48.54 ± 14.52 | 49.58 ± 13.82 | 47.69 ± 15.46 |
| Uric acid (mg/dL) | 8.10 ± 1.73 | 7.87 ± 1.36 | 8.28 ± 2.02 |
| Protein (mg/dL) | 6.83 ± 0.47 | 6.73 ± 0.41 | 6.91 ± 0.51 |
| Albumin (mg/dL) | 3.94 ± 0.36 | 3.98 ± 0.42 | 3.91 ± 0.31 |
| Pre-albumin (mg/dL) | 27.20 ± 7.48 | 27.10 ± 7.28 | 27.27 ± 7.87 |
| tCO2 (mEq/L) | 20.96 ± 2.43 | 20.70 ± 2.55 | 21.17 ± 2.40 |
| Hemoglobin (g/dL) | 9.61 ± 2.12 | 9.66 ± 2.49 | 9.56 ± 1.86 |
| Total Chol. (mg/dL) | 130.79 ± 37.69 | 137.23 ± 48.32 | 125.56 ± 26.81 |
| Triglyceride (mg/dL) | 100.48 ± 53.56 | 107.30 ± 59.98 | 94.93 ± 49.02 |
| HDL-Chol. (mg/dL) | 37.60 ± 8.57 | 37.62 ± 6.68 | 37.59 ± 10.07 |
| LDL-Chol. (mg/dL) | 75.17 ± 20.99 | 76.46 ± 21.16 | 74.12 ± 21.48 |
| TSH (uIU/mL) | 3.69 ± 8.18 | 2.50 ± 2.52 | 4.66 ± 10.85 |
| fT4 (ng/dL) | 0.97 ± 0.12 | 0.96 ± 0.16 | 0.99 ± 0.08 |
| T3 (ng/mL) | 1.08 ± 0.18 | 1.06 ± 0.20 | 1.09 ± 0.16 |
| Homocysteine (umol/L) | 16.78 ± 4.39 | 14.70 ± 4.26 | 18.47 ± 3.84* |
| HOMA-IR | 6.58 ± 5.32 | 6.64 ± 7.48 | 6.54 ± 2.84 |
| QTc (ms) | 433.82 ± 22.03 | 414.46 ± 6.15 | 449.56 ± 16.93* |
| QTcd (ms) | 59.10 ± 28.29 | 51.65 ± 28.08 | 65.15 ± 27.86 |