Table 4.

Risk for DGF attributable to unmeasured donor factors in the common-donor recipient pair and to ECD status^a

Risk Factor	Transplant Location	Attributable Risk (95% CI)
DGF in the recipient of the contralateral kidney	All centers	0.17 (0.16 to 0.20)
	Different center	0.15 (0.13 to 0.18)
	Same centers	0.26 (0.22 to 0.29)
ECD status of the transplanted kidney	All centers	0.05 (0.04 to 0.07)
	Different center	0.04 (0.03 to 0.07)
	Same centers	0.06 (0.04 to 0.09)

^aAttributable risk estimates adjusted for variables associated with DGF (as shown in Table 3), such as Medicare primary payor status (whether the DGF information came from Medicare claims or Organ Procurement and Transplantation Network forms), recipient race, recipient gender, primary native kidney disease, PRA, time on dialysis before transplantation, HLA mismatches, cold ischemia time and mechanical perfusion.