Table 3.
Cox proportional hazards model
| Variable |
Adjusted mortality hazardsHR (95%CI) |
|
|---|---|---|
|
All patients (n = 203) |
Excluding PR Group (n = 185) |
|
| Age (per year) |
1.05 (1.02-1.08)* |
1.04 (1.01-1.08)* |
| CRP (per unit rise) |
1.02 (1.01-1.03)* |
1.02 (1.01-1.03)* |
| Duration on dialysis (per month) |
1.01 (1.00-1.01)* |
1.01 (1.00-1.01)* |
| Peripheral vascular disease |
1.75 (1.00-3.04)* |
1.80 (0.97-3.25) |
| ESA dose |
1.001 (0.996-1.006) |
1.000 (0.997-1.004) |
| [Hb] |
1.008 (0.962-1.056) |
0.998 (0.947-1.052) |
| LE Group |
0.37 (0.08-1.68) |
0.46 (0.10-2.23) |
| GR Group |
1.10 (0.38-3.17) |
1.39 (0.41-4.75) |
| HE Group |
0.96 (0.30-3.11) |
1.07 (0.22-5.29) |
| PR Group |
1.58 (0.49-5.09) |
- |
| Test of model assumption | X(4)2 = 1.00, p = 0.910 | X(4)2 = 0.33, p = 0.988 |
Adjusted hazard ratios of mortality for all patients (n = 203) and without the PR Group (n = 185).
A test of the proportional hazards assumption was undertaken and the models were deemed not to violate any assumption. *p < 0.05.