Table 1.
Baseline demographic and clinical characteristics of patients in the higher and lower transport group
| Parameters | HT (n = 65) | LT (n = 37) | P |
|---|---|---|---|
| Age (years) | 59.7 ± 11.8 | 60.9 ± 11.4 | 0.606 |
| Gender (male/female, n) | 36/29 | 23/14 | 0.505 |
| BMI (kg/m2) | 22.8 ± 3.1 | 21.6 ± 3.1 | 0.076 |
| Initial PET time (months) | 2.8 ± 1.4 | 2.6 ± 1.4 | 0.363 |
| Systolic pressure (mmHg) | 138 ± 14 | 136 ± 12 | 0.461 |
| Diastolic pressure (mmHg) | 81 ± 10 | 78 ± 11 | 0.133 |
| History of CVD (%) | 29.2 | 24.3 | 0.593 |
| CAPD/DAPD (n) | 38/27 | 27/10 | 0.143 |
| PD dose (L/day) | 6.5 ± 1.5 | 6.1 ± 1.6 | 0.223 |
| Peritoneal ultrafiltration volume (ml/day) | 298 ± 281 | 438 ± 201 | 0.008 |
| Glucose exposure (g/day) | 105 ± 31 | 93 ± 26 | 0.031 |
| 24 h urine protein (g/day) | 2.41 ± 1.58 | 2.79 ± 2.40 | 0.387 |
| 24 h dialysate protein (g/day) | 6.27 ± 2.08 | 5.19 ± 2.14 | 0.015 |
| Calcium (mmol/L) | 2.26 ± 0.21 | 2.25 ± 0.24 | 0.783 |
| Phosphate (mmol/L) | 1.45 ± 0.31 | 1.49 ± 0.29 | 0.541 |
| iPTH (ng/L) | 203 ± 138 | 181 ± 110 | 0.404 |
| HbA1c (g/L) | 7.1 ± 0.7 | 6.9 ± 0.7 | 0.191 |
| hsCRP (mg/L) | 5.9 ± 1.5 | 5.3 ± 1.8 | 0.079 |
| Total Kt/V | 2.1 ± 0.5 | 2.0 ± 0.5 | 0.596 |
| TCcr (L·week−1·1.73 m−2) | 67 ± 18 | 58 ± 13 | 0.012 |
| RRF (ml·min−1·1.73 m−2) | 3.1 ± 1.7 | 3.2 ± 1.6 | 0.759 |
BMI: Body mass index; PET: Peritoneal equilibration test; CVD: Cardio-cerebrovascular disease; CAPD: Continuous ambulatory peritoneal dialysis; DAPD: Daytime ambulatory peritoneal dialysis; iPTH: Intact parathyroid hormone; HbA1c: Glycated hemoglobin A1c; hsCRP: High-sensitivity C-reactive protein; RRF: Residual renal function; LT: Lower peritoneal transport group; HT: Higher peritoneal transport group; PD: Peritoneal dialysis; TCcr: Total clearance of creatinine.