Table 5.

The univariate influences of the investigated variables on primary nonfunction of the graft are shown (univariate binary logistic regression analysis).

Recipient variables	P value	Odds ratio	95% confidence interval
Recipient sex	0.849	n.a.	n.a.
Recipient blood group	0.167	n.a.	n.a.
Age in years at last transplantation	0.374	n.a.	n.a.
Number of kidney transplants	0.526	n.a.	n.a.
PRA max. in %	0.942	n.a.	n.a.
PRA max. in groups (0–30%, >30–70%, and >70%)	0.609	n.a.	n.a.
PRA at last transplant in %	0.706	n.a.	n.a.
PRA at last transplant in groups (0–30%, >30–70%, and >70%)	0.323	n.a.	n.a.
Number of HLA-DR mismatches	0.024	2.867	1.150–7.148
Number of all HLA mismatches	0.016	1.827	1.120–2.982
Number of all HLA mismatches in groups (0–2, 3–6)	0.004	8.308	1.944–35.502
Plasmapheresis (yes/no)	0.479	n.a.	n.a.
Induction therapy (yes/no)	0.998	n.a.	n.a.
Type of induction therapy	0.010	4.316	1.422–13.100
Cyclosporine versus tacrolimus based therapy	0.234	n.a.	n.a.
Mycophenolate mofetil versus azathioprine therapy	0.248	n.a.	n.a.
Living donor deceased donor	0.477	n.a.	n.a.
Simultaneous nephrectomy of previous graft (yes/no)	0.851	n.a.	n.a.
Number of previous operations at transplant site	0.334	n.a.	n.a.
Operating time in minutes	0.796	n.a.	n.a.
Cold ischemic time in minutes	0.763	n.a.	n.a.
Surgical complications (yes/no)	0.003	24.933	2.941–210.938
Number of surgical complications	0.001	7.223	2.206–23.648
Reoperation due to a complication (yes/no)	0.257	n.a.	n.a.
Acute graft rejection episodes (yes/no)	0.221	n.a.	n.a.
Chronic graft rejection (yes/no)	0.782	n.a.	n.a.