Table 2.
Differences in clinical parameters depending on Davies comorbidity grade (DCG).
| DCG—Low | DCG—Medium | DCG—High | |
|---|---|---|---|
| (n = 19) | (n = 28) | (n = 13) | |
| Age (years; mean ± SD) | 56.63 ± 11.54 | 55.50 ± 13.25 | 64.08 ± 12.18 |
| PD duration (months; mean ± SD) | 33.42 ± 33.81 | 32.71 ± 41.53 | 27.61 ± 20 |
| Sodium intake (g/day; mean ± SD) | 3.12 ± 0.86 ++ | 4.02 ± 0.58 | 3.15 ± 0.25 |
| Protein intake (g/day; mean ± SD) | 68.85 ± 12.25 | 75.97 ± 13.34 | 59.31 ± 10.30 |
| DPI (g/kg/day; mean ± SD) | 0.91 ± 0.18 | 1 ± 0.21 | 0.82 ± 0.12 |
| nPCR (g/kg/day; mean ± SD) | 0.87 ± 0.23 | 0.83 ± 0.21 | 0.79 ± 0.16 |
| DEI (kcal/kg/day; mean ± SD) | 26.16 ± 5.01 | 30.32 ± 6.49 | 24.34 ± 4.46 |
| DSR (mmol/day; mean ± SD) | 149.45 ± 61.50 | 152.27 ± 64.68 | 151.73 ± 71.72 |
| USR (mmol/day; mean ± SD) | 113.64 ± 83.95 ** | 78.93 ± 67.37 | 43.55 ± 33.86 |
| TSR (mmol/day; mean ± SD) | 263.12 ± 94.25 | 230.68 ± 77.77 | 195.29 ± 54.6 |
| D/PCr (mean ± SD) | 0.61 ± 0.12 | 0.67 ± 0.12 | 0.70 ± 0.09 |
| Kt/V (mean ± SD) | 2.63 ± 0.73 ** | 2.53 ± 0.62 ** | 1.88 ± 0.40 |
| CrCl | |||
| (L/week; mean ± SD) | 90.99 ± 44.3 * | 89.56 ± 28.91 * | 60.32 ± 12.84 |
| UF | |||
| (mL/day; mean ± SD) | 1077.63 ± 443.45 | 970 ± 480.66 | 1046.54 ± 62.84 |
| RD | |||
| (mL/day; mean ± SD) | 1339.74 ± 814.47 ** | 942.86 ± 662.87 | 560.77 ± 428.57 |
| Cr (mg/dL; mean ± SD) | 8.23 ± 2.46 | 7.35 ± 2.34 | 8.37 ± 1.88 |
| Albumin (g/L; mean ± SD) | 37.63 ± 5.76 **+ | 33.36 ± 4.47 | 29.61 ± 4.61 |
| Cholesterol (mg/dL; mean ± SD) | 206.88 ± 58.75 | 173.63 ± 34.42 | 218.1 ± 69.99 |
| Hb (g/dL; mean ± SD) | 11.03 ± 1.27 *+ | 10.27 ± 0.76 | 10 ± 0.89 |
| CRP (mg/L; mean ± SD) | 4.07 ± 3.17 ** | 5.91 ± 3.36 | 10 ± 5.80 |
| MAP (mmHg; mean ± SD) | 95.11 ± 8.50 | 94.43 ± 10.23 | 98.15 ± 13.23 |
| LVH (Yes/No) | 4/15 **++ | 15/13 ** | 12/1 |
MAP = mean arterial pressure; DM = diabetes mellitus; RD = residual diuresis; Hb = hemoglobin; CRP = C-reactive protein; Kt/V = dialysis adequacy; CrCl = creatinine clearance; D/Pcr = dialysate/plasma creatinine; DPI = dietary protein intake; DEI = dietary energy intake; nPCR = normalized protein catabolic rate; DSR = dialytic sodium removal; USR = urinary sodium removal; TSR = total sodium removal. * p < 0.05, ** p < 0.01 vs. DCG—High. + p < 0.05, ++ p < 0.01 vs. DCG—Medium.