Table 4.
Relative risk (RR) of death in univariate Cox regression for selected variables at baseline in 144 HD-patients during the follow-up.
| RR | 95% CI | P | |
|---|---|---|---|
| Age 1 year | 1.050 | 1.013-1.088 | 0.007 |
| Sex male | 0.847 | 0.366–1.960 | 0.697 |
| HD vintage 1 years | 0.993 | 0.927–1.063 | 0.834 |
| Diabetic status present | 4.658 | 1.990–10.904 | 0.000 |
| Body mass index 1 kg/m2 | 1.090 | 0.963–1.234 | 0.172 |
| Systolic BP 10 mmHg | 0.934 | 0.775–1.124 | 0.469 |
| Diastolic BP 10 mmHg | 0.859 | 0.661–1.116 | 0.254 |
| Blood urea nitrogen 1 mmol/L | 0.966 | 0.911–1.026 | 0.259 |
| Serum creatinine 100 umol/L | 0.867 | 0.761–0.987 | 0.031 |
| Single-pool Kt/V 0.1 unit/per session | 0.948 | 0.858–1.047 | 0.289 |
| Weekly SpKt/V 0.1 unit/per week | 0.986 | 0.952–1.022 | 0.449 |
| HD session time 1 hours | 0.667 | 0.303–1.468 | 0.314 |
| UF rate 100 ml/per session | 0.962 | 0.921–1.005 | 0.081 |
| Dry weight 1 kg | 1.013 | 0.977–1.051 | 0.481 |
| Hemoglobin 1 g/L | 0.975 | 0.958–0.992 | 0.004 |
| Serum albumin 1 g/L | 0.777 | 0.695–0.869 | 0.000 |
| HsCRP 1 mg/l | 1.029 | 1.001–1.059 | 0.044 |
| Log BNP 1 pg/ml | 6.175 | 2.389–15.958 | 0.000 |
Abbreviations: HD: hemodialysis; BP: blood pressure; SpKt/V: single-pool Kt/V; UF: ultrafiltration; HsCRP: hypersensitive C reactive protein; Log BNP: log-transformed B-type natriuretic peptide.