Table 1.

Demographic and transplant-related characteristics at baseline.

	A	B	C
	Total	No CMV infection	CMV infection	P value BvsC
Donor	N = 181	N = 161	N = 20
Gender (men/women)	73/108	66/95	7/13	0.6†
Age (y) ± SD	51.3 ± 10.1	41.5 ± 15.4	45.1 ± 18.5	0.3$
Recipient	N = 181	N = 161	N = 20
Gender (men/women)	107/74	97/64	10/10	0.4†
Age (y) ± SD	41.9 ± 15.8	51.0 ± 9.8	53.7 ± 12.2	0.3$
Cause of end-stage renal disease
Diabetes mellitus	9	8	1	1$
Chronic glomerulonephritis	76	70	6	0.3$
Polycystic kidney disease	25	23	2	1$
Others or unknown	71	60	11	0.1$
KTx-related parameters
AB0 incompatible yes/no	19/162	16/145	3/17	0.5†
HLA-A/B mismatches mean ± SD	3.0 ± 1.5	1.9 ± 1.2	2.2 ± 0.8	0.3$
HLA-DR mismatch mean ± SD	1.1 ± 0.6	1.1 ± 0.7	1.1 ± 0.6	0.8$
Cold ischemia time mean ± SD; minutes	132.2 ± 44.1	132.5 ± 41.9	129.5 ± 60.5	0.7$
Acute cellular rejection yes/no	41/140	35/126	6/14	0.4†
Baseline CMV characteristics
CMV positive recipient (R+)	92	86	6	0.048†
CMV positive donor (D+)	104	86	18	0.002†
CMV high risk situation (yes/no)	41/140	27/134	14/6	<0.0001†

^†Fisher’s exact test.

^$Wilcoxon rank-sum test (Mann–Whitney U Test).

y, years; HLA, human leukocyte antigen; CMV, cytomegalovirus; KTx, kidney transplantation.