Table 3.
Univariate and multivariate survival analyses
| Univariate analysis | ||||
|---|---|---|---|---|
| Variable | HR | CI, Low | CI, Up | p |
| PTX | 0.556 | 0.387 | 0.800 | 0.002 |
| Age, years | 1.047 | 1.032 | 1.062 | 0.0001 |
| Gender (Male) | 0.799 | 0.572 | 1.116 | 0.189 |
| Ca, mg/dl | 1.269 | 0.974 | 1.654 | 0.078 |
| Phosphate, mg/dl | 0.950 | 0.891 | 1.100 | 0.491 |
| PTH, pg/ml | 1.000 | 0.999 | 1.001 | 0.966 |
| Albumin, g/dl | 0.372 | 0.249 | 0.555 | 0.0001 |
| Hb, g/dl | 0.672 | 0.558 | 0.810 | 0.0001 |
| Multivariate analysis | ||||
| PTX | 0.6719 | 0.4652 | 0.9706 | 0.034 |
| Dialysis vintage, years | 1.0345 | 1.0143 | 1.0551 | 0.0001 |
| Age, years | 1.0438 | 1.0286 | 1.0592 | 0.0001 |
Abbreviations: PTX Parathyroidectomy; Ca calcium; P phosphate; PTH parathyroid hormone; Hb hemoglobin; CI confidence interval