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Table 3 Cox proportional hazards model

From: Mortality in dialysis patients may not be associated with ESA dose: a 2-year prospective observational study

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
  1. Adjusted hazard ratios of mortality for all patients (n = 203) and without the PR Group (n = 185).
  2. A test of the proportional hazards assumption was undertaken and the models were deemed not to violate any assumption. *p < 0.05.