Renal Transplants from Older Deceased Donors: Use of Preimplantation Biopsy and Differential Allocation to Dual or Single Kidney Transplant according to Histological Score Has No Advantages over Allocation to Single Kidney Transplant by Simple Clinical Indication

Table 2

Characteristics of donors older than 60 years according to period and transplant category.

Period	Pre-DKT	DKT era
Tx category				DKT
	170	33	51	48
M/F	84/86	18/15	26/25	27/21
Low-risk ECD,	48	33
(i) Age, yrs	64.2 ± 2.8	63.8 ± 2.5
High-risk ECD,	103		51	48
(i) Age, yrs	67.2 ± 4.7		71.2 ± 5.4	75.3 ± 4.8
(ii) Donors older than 70 yrs, (%)	32 (31)		32 (63)°	43 (69)°
(iii) Donors older than 70 yrs, age	73.1 ± 2.0		74.4 ± 4.1	76.6 ± 3.7°
(iv) Arterial hypertension	55 (53)		23 (45)	30 (62)
(v) Diabetes	9 (9)		5 (10)	6 (12)
(vi) CV cause of death	60 (58)		17 (33)^+	23 (48)

“pre-DKT”, 1 Jan, 2000, to 30 Nov, 2010; “DKT era”, 1 Dec, 2010–31 Dec, 2015; SKT: solitary kidney transplant; suffix defines donor type: ECD: ECD from pre-DKT era, clinical risk undefined; lr, hr: ECD according to clinical low (no biopsy) or high risk (with kidney biopsy); DKT: dual kidney transplant; CV: cerebrovascular; < 0.0001 by ANOVA, and < 0.05 or less by any intercategory comparisons; < 0.01 versus ; < 0.05 versus .