The First Fifty ABO Blood Group Incompatible Kidney Transplantations: The Rotterdam Experience
Table 1
Clinical and demographic characteristics of patients receiving a blood type ABO-incompatible (ABOi) kidney transplant and matched ABO-compatible (ABOc) controls.
ABOi
ABOc
value
Number of patients
50
100
Age recipient (median and range)
54 years (22–75)
55 years (19–77)
n.s.*
Age donor (median and range)
50 years (26–75)
55.5 years (23–70)
n.s.
Donor male : female ratio
27 : 23
58 : 42
Recipient male : female ratio
32 : 18
63 : 37
Previous transplantation (%)
18%
13%
n.s.
Previous pregnancy (%)
30%
34%
n.s.
Previous blood transfusion (%)
20%
24%
n.s.
Preemptive transplantation
10 (20%)
10 (10%)
n.s.
Number HLA MM (median)
4
4
n.s.
ABO blood group recipient (number and % of total)
O 34 (68%)
O 39 (39%)
A 8 (16%)
A 45 (45%)
B 8 (16%)
B 13 (13%)
AB 0 (0%)
AB 3 (3%)
Percentage of patients with panel reactive antibodies >4%**
10%
4%
n.s.
n.s.: not significant ( value > 0.05), most recent percentage of panel reactive antibodies positivity obtained before kidney transplantation. A PRA of <5% was considered as negative by the reference laboratory (Leiden, The Netherlands).
