Table 3 Results of the stratified Cox model based on 2746 patients with 2206 FTR and 540 STR (26 STR presenting missing data for the waiting time before re-transplantation were excluded)

Variables entering in z ^e only

Causal nephropathy (recurrent / non recurrent)

History of diabetes (positive / negative)

History of hypertension (positive / negative)

History of cardiac disease (positive / negative)

History of vascular disease (positive / negative)

History of dyslipemia (positive / negative)

History of hepatitis B/C (positive / negative)

History of malignancy (positive / negative)

Body mass index (≥ 30 kg.m-2 / < 30 kg.m-2)

Anti-class I PRA (positive / negative)

Anti-class II PRA (positive / negative)

Donor status (deceased/living)

Donor EBV serology (positive / negative)

Number of HLA-A-B-DR mismatches (> 4 / ≤ 4)

Induction therapy (depleting / non depleting)

Cold ischemia time (≥ 24 h / < 24 h)

Variables entering in z ^c and z ^s

Transplantation period (< 2005 / ≥ 2005)

Recipient gender (male / female)

Recipient age (≥ 55 years / < 55 years)

Donor age (≥55 years / <55 years)

Variables entering in z ^r only

Donor gender (male / female)

Waiting time before regraft ≥ 3 years