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Table 5 Independent variables in the best fitted Cox model with their hazard ratios and 95% confidence

From: Development and validation of a risk index to predict kidney graft survival: the kidney transplant risk index

Variables in the Cox model
  Hazard ratio 95% Confidence interval
Donor variables
Age (scaled to 5 years) 1.20 1.12 to 1.28
Log2 of age 0.59 0.43 to 0.80
Donor Hypertension 1.43 1.16 to 1.80
Recipient variables
Age at transplant (scaled to 5 years) 0.88 0.85 to 0.91
Peripheral vascular disease 1.41 1.03 to 1.93
Primary Renal Disease
Polycystic Disease 0.66 0.48 to 0.91
Total duration of PD 1–24 months 0.75 0.61 to 0.94
Total duration of HD > 24 months 1.40 1.16 to 1.68