Table 4.

Cox regression analysis of mortalitya

ParameterRR for Death (95% CI)P
High-flux membrane (versus low-flux)0.76 (0.56 to 1.04)0.0910
Age (per 1-yr increment)1.04 (1.02 to 1.06)0.0010
Gender (male versus female)0.80 (0.57 to 1.13)0.2110
Diabetes (presence versus absence)1.97 (1.43 to 2.72)<0.0001
Charlson comorbidity index (per 1-U increment)1.18 (1.08 to 1.29)0.0004
Vascular access (catheter versus fistula)1.26 (0.82 to 1.93)0.2840
  • a Charlson comorbidity index was considered excluding diabetes.