Table 5.
Cox stepwise regression for overall mortality risk
| Variable | Relative Risk | 95% Confidence interval | P value |
|---|---|---|---|
| Age (per 10 yr increase) | 1.18 | 1.052 to 1.324 | 0.0046 |
| Diabetes | 1.92 | 1.454 to 2.543 | <0.0001 |
| Peripheral vascular disease | 3.33 | 1.052 to 10.576 | 0.0408 |
| Baseline albumin (g/dl) | 0.61 | 0.498 to 0.738 | <0.0001 |
| Baseline nPNA (g/kg/day) | 0.49 | 0.262 to 0.919 | 0.0262 |
| Peritoneal ultrafiltration <0.4 L/day | 1.53 | 1.175 to 1.995 | 0.0016 |
| Urinary volume (per 0.1 L) | 0.93 | 0.890 to 0.969 | 0.0007 |
| IL-6 < 2.965 (pg/ml) | 0.58 | 0.362 to 0.940 | 0.0267 |
| NT-proBNP < 889 (pg/ml) | 0.63 | 0.406 to 0.967 | 0.0345 |
| 889 ≤ NT-proBNP <3465 (pg/ml) | 0.64 | 0.446 to 0.920 | 0.0160 |
The values for peritoneal ultrafiltration represent the lowest quintile of the time-dependent analysis. Time-dependent analysis was also used for urine volume. The value for IL-6 represents the lowest quintile of the baseline value. For NT-proBNP, the two lowest quintiles are those identified in the table.