Table 5.

Univariate and multivariate Cox regression analyses of the predictors for all-cause mortality among dialysis patients with SLE.

VariableUnivariate Analysis HR (95% CI)Multivariate Analysis HR (95% CI)
Age at dialysis, yrs
  < 45 (reference)11
  45–641.551 (0.870–2.766)1.176 (0.633–2.183)
  ≥ 653.741 (1.961–7.136)*2.864 (1.348–6.085)*
Sex, male vs female1.746 (1.000–3.050)*1.795 (1.024–3.146)*
First modality of dialysis, HD vs PD0.847 (0.452–1.590)1.095 (0.567–2.115)
Diabetes mellitus3.981 (2.298–6.897)*2.979 (1.502–5.907)*
Hypertension1.600 (0.883–2.899)1.227 (0.659–2.282)
Heart failure2.706 (1.440–5.087)*1.407 (0.650–3.050)
Coronary artery disease2.326 (1.056–5.125)*0.866 (0.346–2.170)
Cerebrovascular disease2.232 (0.698–7.137)
Peripheral arterial disease0.321 (0.044–2.314)
Malignancy1.773 (0.548–5.740)
  • * Statistical significance (p < 0.05). HR: hazard ratio; SLE: systemic lupus erythematosus; HD: hemodialysis; PD: peritoneal dialysis.