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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

Ā 

Hazard ratio

95% Confidence interval

Donor variables

Age (scaled to 5Ā 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 5Ā 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 1ā€“24Ā months

0.75

0.61 to 0.94

Total duration of HDā€‰>ā€‰24Ā months

1.40

1.16 to 1.68