Table 5.
Multivariate Cox proportional hazard models for hospitalization-free survival in predialysis and dialysis patients
| Characteristics | Predialysis patients |
Dialysis patients |
||
|---|---|---|---|---|
| HR (95% CI) | P | HR (95% CI) | P | |
| Age (y) | – | – | 1.023 (1.00–1.04) | 0.014 |
| Sex (female/male) | 0.808 (0.47–1.38) | 0.440 | 0.767 (0.48–1.22) | 0.260 |
| Diabetes (absent/present) | 3.579 (2.00–6.22) | < 0.001 | 2.017 (1.27–3.21) | 0.003 |
| Coronary (absent/present) | 31.719 (11.57–86.98) | < 0.001 | – | – |
| MDRD-4 (mL/min/1.73 m2) | 0.993 (0.96–1.02) | 0.682 | – | – |
| Hemoglobin (g/dL) | 0.945 (0.80–1.12) | 0.519 | – | – |
| Phosphate (mg/dL) | 1.090 (0.76–1.58) | 0.625 | – | – |
| PTH | 1.003 (1.01–1.05) | 0.005 | – | – |
| 25(OH)D (ng/mL) | 0.963 (0.93–0.99) | 0.039 | 0.955 (0.91–0.99) | 0.040 |
25(OH)D, 25-hydroxyvitamin D; CI, confidence interval; HR, hazard ratio; MDRD-4, estimated glomerular filtration rate estimated by Modification of Diet in Renal Disease formula; PTH, parathyroid hormone.