Table 5.
Peritoneal urea, creatinine, and phosphate clearances according to peritoneal membrane phosphate transport status and PD modality, at 1 year of treatment
| CAPD | APD | P | |
|---|---|---|---|
| Peritoneal Kt/V | |||
| fast | 1.47 ± 0.3 | 1.99 ± 0.4 | 0.026a |
| fast-average | 1.74 ± 0.51 | 1.56 ± 0.5 | 0.054 |
| slow-average | 1.66 ± 0.2 | 1.46 ± 0.4 | 0.242 |
| slow | 1.58 ± 0.3 | 1.44 ± 0.3 | 0.720 |
| Peritoneal creatinine clearance | |||
| fast | 49.6 ± 8.8 | 54.4 ± 12.8 | 0.249 |
| fast-average | 41.0 ± 14.2 | 42.3 ± 14.0 | 0.775 |
| slow-average | 41.1 ± 6.2 | 37.1 ± 11.5 | 0.968 |
| slow | 37.2 ± 5.1 | 31.8 ± 13.2 | 0.279 |
| Peritoneal phosphate clearance | |||
| fast | 46.9 ± 12.6 | 48.1 ± 13.0 | 0.755 |
| fast-average | 39.3 ± 10.4 | 39.6 ± 9.3 | 0.865 |
| slow-average | 35.9 ± 7.8 | 31.6 ± 6.6 | 0.006a |
| slow | 33.9 ± 15.2 | 24.5 ± 9.0 | 0.049a |
Values expressed as mean ± SD. Patients classified as slow, slow-average, fast-average, or fast transporters, according to mean ± SD of dialysate plasma phosphate ratio (D/P Ph) at a 4-hour, 3.86% glucose PET.
a
P < 0.005 intergroup comparisons between patients in CAPD versus APD using the t test if data were parametric and the Mann-Whitney U test if nonparametric.