Table 1b.
Patient characteristics, comparison across peritoneal membrane transport status
| Variable | High | High-Average | Low-Average and Low | P Value |
|---|---|---|---|---|
| N | 22 (17.1%) | 76 (58.9%) | 31 (24%) | |
| Male gender | 16 (72.7%) | 41 (53.9%) | 13 (41.9%) | 0.085 |
| Age (years) | 61.8 ± 16.3 | 60.8 ± 15.4 | 57.8 ± 17.3 | 0.599 |
| Diabetes | 5 (22.7%) | 26 (34.2%) | 9 (29%) | 0.569 |
| Time spent on PD (months)a | 7.8 (4.7-12.2) | 9.4 (6.5-22) | 10.4 (6.9-29.4) | 0.339 |
| BMI (kg/m2) | 26.1 ± 6.2 | 27.2 ± 5.1 | 27.7 ± 5.8 | 0.583 |
| RRF present | 14 (63.6%) | 55 (72.4%) | 20 (64.5%) | 0.609 |
| GFR (ml/min)a | 2.1 (0-4.3) | 2.6 (0.8-4.7) | 3.2 (0.5-3.2) | 0.659 |
| Urine output (L/day)a | 0.41 (0-0.66) | 0.51 (0.12-0.99) | 0.5 (0.13-0.88) | 0.322 |
| D/P creatinine | 0.87 ± 0.05 | 0.72 ± 0.04 | 0.57 ± 0.06 | < 0.001 |
| PD modality | 0.028 | |||
| CAPD | 6 (27.3%) | 36 (47.4%) | 20 (64.5%) | |
| CCPD | 16 (72.7%) | 40 (52.6%) | 11 (35.5%) | |
| PCR (g/kg/day) | 0.81 ± 0.22 | 0.84 ± 0.25 | 0.77 ± 0.2 | 0.366 |
| Urea (mmol/L) | 15.9 ± 7.7 | 17.7 ± 5.3 | 17.1 ± 4.3 | 0.435 |
| Creatinine (μmol/L) | 769.1 ± 343.6 | 758.7 ± 233.6 | 857.6 ± 319.3 | 0.239 |
| Albumin (g/L) | 35.2 ± 4.6 | 36 ± 4.2 | 38.4 ± 4 | 0.013 |
| Phosphate (mmol/L) | 1.59 ± 0.4 | 1.60 ± 0.4 | 1.70 ± 0.6 | 0.605 |
a
Median (interquartile range).