Table 2.
Baseline characteristics stratified for low and high peritoneal clearance of albumin
| Low | High | P | |
|---|---|---|---|
| Age (years) | 52.7 ± 14.9 | 53.2 ± 14.9 | 0.70 |
| Patients on APD | 10.6% | 9.2% | 0.60 |
| Diabetes | 24.6% | 33.3% | 0.19 |
| Davies comorbidity index (high score) | 7.1% | 16.5% | 0.06 |
| PVD | 15.8% | 27% | 0.04 |
| Serum albumin (g/L) | 35.7 ± 5.4 | 32.0 ± 5.4 | <0.001 |
| CRP (mg/L) | 3.0 (3.0 to 9.65) | 3.75 (1.70 to 8.85) | 0.95 |
| RRF (ml/min per 1.73 m2) | 3.77 (2.34 to 5.65) | 3.87 (2.41 to 5.55) | 0.62 |
| Proteinuria (g/d) | 1.0 (0.48 to 2.16) | 1.23 (0.57 to 2.78) | 0.22 |
| MTACcreat (ml/min per 1.73 m2) | 8.8 ± 3.2 | 12.3 ± 4.0 | <0.001 |
| MTACurea (ml/min per 1.73 m2) | 16.2 ± 3.7 | 19.4 ± 5.0 | <0.001 |
| Clβ2m (μl/min) | 870 (692 to 1125) | 1450 (1202 to 1797) | <0.001 |
| ClIgG (μl/min) | 37 (27 to 46) | 65 (56 to 97) | <0.001 |
| Clα2m (μl/min) | 13 (7 to 17) | 24 (19 to 42) | <0.001 |
| TCUF (ml/min) | 3.5 (2.4 to 4.5) | 3 (1.9 to 4.3) | 0.04 |
| NUFR (ml/min) | 2.3 (0.6 to 3.1) | 1.3 (0.1 to 2.5) | 0.002 |
| Dialysate AR-CA125 (U/min) | 112.8 (54.1 to 170.0) | 175.7 (115.2 to 295.7) | <0.001 |
Values are expressed as means and SD or median and interquartile range (25th to 75th percentile). APD, automated peritoneal dialysis; TCUF, transcapillary ultrafiltration rate; NUFR, net ultrafiltration rate; AR, appearance rate.