Table 3.
Results of univariate and multivariate Cox regression analyses for overall survival in dialysis patients aged ≥80 years.
| Univariate analysis | Multivariate analysis | ||||||
|---|---|---|---|---|---|---|---|
| P value | HR | 95.0% CI | P value | HR | 95.0% CI | ||
| Age (years) | 0.443 | 1.024 | 0.96–1.09 | ||||
| Cerebro-cardiovascular disease | 0.163 | 1.327 | 0.89–1.98 | ||||
| Diabetes mellitus | 0.976 | 0.994 | 0.67–1.46 | ||||
| ECOG-PS | 0.000 | 1.327 | 1.15–1.54 | ECOG-PS | 0.004 | 1.27 | 1.08–1.49 |
| Mean blood pressure (mmHg) | 0.164 | 0.994 | 0.99–1.01 | ||||
| Body mass index | 0.060 | 0.961 | 0.92–1.01 | ||||
| Hemoglobin (g/L) | 0.231 | 1.070 | 0.96–1.20 | Hemoglobin | 0.040 | 1.13 | 1.01–1.28 |
| BUN (mg/dL) | 0.177 | 1.004 | 0.99–1.01 | ||||
| eGFR (mL/min./1.73 m2) | 0.782 | 1.006 | 0.97–1.05 | ||||
| Albumin (mg/dL) | 0.013 | 0.652 | 0.47–0.91 | Albumin | 0.067 | 0.71 | 0.48–1.03 |
| Phosphorus (mg/dL) | 0.068 | 1.132 | 0.99–1.29 | ||||
| Potassium (mEq/L) | 0.265 | 1.133 | 0.91–1.41 | ||||
| Calcium (mg/dL) | 0.861 | 1.024 | 0.79–1.33 | ||||
| Antihypertensive agents | 0.275 | 1.324 | 0.80–2.19 | ||||