Table 2.
Dialysis adequacy, phosphate clearance, and peritoneal transport status in patients with a serum phosphorous level of ≤5.5 mg/dl versus >5.5 mg/dl and stratified according to residual renal function at 1 year of treatment
| Serum Phosphate |
All Patients n = 264 | ||||
|---|---|---|---|---|---|
| Patients with RRF |
Anuric Patients |
||||
| ≤5.5 mg/dl (n = 141) | >5.5 mg/dl (n = 45) | ≤5.5 mg/dl (n = 44) | >5.5 mg/dl (n = 34) | ||
| Total weekly urea Kt/V | 2.7 ± 0.7a | 2.1 ± 0.4a | 2.1 ± 0.3 | 2.0 ± 0.3 | 2.4 ± 0.7 |
| Peritoneal weekly urea Kt/V | 1.5 ± 0.4 | 1.4 ± 0.3 | 2.1 ± 0.3 | 2.0 ± 0.3 | 1.6 ± 0.4 |
| Renal weekly urea Kt/V | 1.2 ± 0.8a | 0.7 ± 0.5a | 0.8 ± 0.8 | ||
| Total weekly CCr (L/wk per 1.73 m2) | 93.7 ± 34.5a | 68.0 ± 20.4a | 52.6 ± 10.3 | 53.7 ± 7.8 | 79.0 ± 32.7 |
| Peritoneal weekly CCr (L/wk per 1.73 m2) | 35.5 ± 9.8 | 34.2 ± 7.3 | 52.6 ± 10.3 | 53.7 ± 10.1 | 39.4 ± 11.8 |
| Renal weekly CCr (L/wk per 1.73 m2) | 58.2 ± 37.1a | 33.8 ± 22.2a | 39.6 ± 38.2 | ||
| Total weekly CPh (L/wk per 1.73 m2) | 80.1 ± 29.9a | 62.9 ± 21.5a | 46.6 ± 10.6 | 43.4 ± 11.3 | 61.6 ± 27.2 |
| Peritoneal weekly CPh (L/wk per 1.73 m2) | 34.6 ± 10.9 | 34.7 ± 10.7 | 46.6 ± 10.6 | 43.4 ± 11.3 | 37.5 ± 11.7 |
| Renal weekly CPh (L/wk per 1.73 m2) | 45.5 ± 30.1a | 28.2 ± 21.1a | 22.2 ± 29.6 | ||
| RRF (ml/min per 1.73 m2) | 5.8 ± 3.7a | 3.7 ± 2.5a | 3.8 ± 3.8 | ||
| D/P Cr | 0.69 ± 0.1 | 0.70 ± 0.1 | 0.73 ± 0.1 | 0.71 ± 0.1 | 0.70 ± 0.09 |
| D/P Ph | 0.56 ± 0.1 | 0.58 ± 0.1 | 0.63 ± 0.1b | 0.57 ± 0.1b | 0.57 ± 0.11 |
| nPNA (g/kg per day) | 1.2 ± 0.3 | 1.2 ± 0.3 | 1.1 ± 0.3 | 1.1 ± 0.2 | 1.2 ± 0.3 |
Values are expressed as mean ± SD. CCr, creatinine clearance; CPh phosphate clearance.
a
P < 0.05 patients with RRF and serum phosphorous ≤5.5 mg/dl versus patients with RRF and serum phosphorous >5.5 mg/dl, according to independent sample t test.
b
P < 0.05 anuric patients with serum phosphorous ≤5.5 mg/dl versus anuric patients with phosphorous >5.5 mg/dl, according to independent sample t test.