Long-term renal function and complication profiles after ABO-incompatible vs compatible living-donor kidney transplantation: A single-center experience

Table 1 General population characteristics and comparison between ABO-incompatible and ABO-compatible groups, n (%)

	ABOi (n = 22)	ABOc (n = 186)	P value
Age at transplantation, years, mean ± SD (min-max)	45.8 ± 9 (28.7-60.0)	45.3 ± 13.5 (7.8-74.1)	0.088
Recipient BMI, kg/m², median (IQR) [min-max]	23.9 (20.0-24.8) [17.9-30.7]	23.4 (22.4-25.7) [16.3-34.3]	0.96
Time on KRT, months, median (IQR)[min-max]	10.0 (0-28.0) [0-158.2]	6.3 (2.0-34.0) [0-370.5]	0.225
Gender, male	17 (77.3)	118 (63.4)	0.335
DM	1 (4.5)	16 (8.6)	1
Active smoking	6 (27.3)	43 (23.1)	0.664
Hypertension	19 (86.4)	144 (77.4)	0.422
Cardiac disease	2 (9.1)	17 (9.1)	1
Peripheral artery disease	0 (0)	3 (1.6)	1
Cerebrovascular disease	0 (0)	5 (2.7)	1
Previous history of cancer	0 (0)	4 (2.2)	1
Previous type of KRT			0.174
Hemodialysis	10 (45.5)	86 (46.2)
Peritoneal dialysis	8 (36.4)	34 (18.3)
Preemptive	4 (18.2)	61 (32.8)
Transplant	0	1 (0.5)
History of previous kidney transplant	2 (9.1)	23 (12.4)	1
Induction therapy
Basiliximab	22 (100)	171 (91.9)	0.377
Thymoglobulin	0 (0)	15 (8.1)
HCV positive	0 (0)	3 (2.2)	1
Recipient CMV seropositive	18 (85.7)	155 (84.2)	1
Donor CMV seropositive	14 (87.5)	129 (91.5)	0.638
HLA-A mismatches
0	5 (22.7)	48 (25.9)	0.947
1	12 (54.5)	96 (51.9)
2	5 (22.7)	41 (22.2)
HLA-B mismatches
0	3 (13.6)	27 (14.6)	0.625
1	9 (40.9)	93 (50.3)
2	10 (45.5)	65 (35.1)
HLA-DR mismatches
0	3 (13.6)	37 (20.0)	0.774
1	12 (54.5)	94 (50.8)
2	7 (31.8)	54 (29.2)

Percentages are calculated on available data. Missing values were excluded. IQR: Interquartile range; ABOi: ABO-incompatible; ABOc: ABO-compatible; BMI: Body mass index; HLA: Human leukocyte antigen; CMV: Cytomegalovirus; HCV: Hepatitis C virus; DM: Diabetes mellitus; KRT: Kidney replacement therapy.