Table 2a.
Fluid and solute clearances, comparison across PD modality
| Variable | Total | CAPD | CCPD | P Value |
|---|---|---|---|---|
| Dialysate volume (L/day) | 11.4 ± 4.2 | 8.2 ± 1.6 | 14.4 ± 3.5 | < 0.001 |
| Ultrafiltration on PD (L/day)a | 1.04 (0.67–1.43) | 1.16 (0.63–1.45) | 0.99 (0.67–1.36) | 0.478 |
| Peritoneal Kt/V | 1.74 ± 0.4 | 1.62 ± 0.3 | 1.86 ± 0.4 | < 0.001 |
| Peritoneal creatinine clearance (L/wk/1.73 m2 BSA) | 45.6 ± 10.8 | 44 ± 8.1 | 47 ± 12.8 | 0.11 |
| Peritoneal P/phosphate clearance (L/wk/1.73 m2 BSA) | 39.5 ± 11.3 | 40.9 ± 10.4 | 38.3 ± 12 | 0.199 |
a
Median (interquartile range). P value by ANOVA if parametric variable, and by Kruskal-Wallis test if nonparametric. BSA, body surface area.