Excellent long term patient and renal allograft survival after ABO-incompatible kidney transplantation: Experience of one center

Table 1 Patient characteristics

	ABOi (n = 30)	ABOc (n = 30)	P-value
Recipient age (yr)	39 ± 11 (16-60)	37 ± 11 (19-64)	ns
Donor age (yr)	59 ± 9 (42-77)	61 ± 11 (41-78)	ns
Recipient gender female/male	8/22	7/23	ns
Donor gender female/male	24/6	19/11	ns
HLA mismatches	2.7 ± 1.2	2.4 ± 1.2	ns
PRAs > 10%	3	3	ns
Time on dialysis (mo)	37 ± 34 (4-132)	19 ± 18 (0-82)	0.014a
ABOi
A-O	12 (40%)
B-O	4 (13.3%)
A-B	2 (6.7%)
B-A	1 (3.3%)
AB-A	5 (16.7%)
AB-B	6 (20%)
Anti-A/B IgG titer at referral (median)	1:64 (1:1-1:128)
No. of pretransplant IA	5.1 ± 3.1 (0-14)
No. of posttrasplant IA	3.3 ± 1.4 (1-7)
Cause of renal failure
Polycystic disease	6 (20%)	1 (3.3%)
Hypertension	1 (3.3%)	1 (3.3%)
Glumerulonephritis	8 (26.7%)	5 (16.7%)
Genetic disorder	3 (10%)	4 (13.3%)
Diabetes	3 (10%)	1 (3.3%)
Unknown	6 (20%)	16 (53.4%)
Other	3 (10%)	2 (6.7%)

All values represent means ± SD (range), unless otherwise stated;

^aP < 0.05. ABOi: ABO-incompatible; ABOc: ABO-compatible; PRAs: Panel reactive antibodies; HLA: Human leukocyte antigen; IA: Immunoadsorption.