Table 1.

Baseline characteristics among all registrants during the study period (columns 2–3), those predicted to benefit from ECD kidneys according to the Merion algorithm (columns 4–5) and registrants aged 65 or over (columns 6–7), stratified by willingness to consider ECD offers

	All registrants		ECD-Benefit		Age ≥ 65
Willingness to consider ECD offers	No	Yes	No	Yes	No	Yes
N	78 730	64 177	38 244	37 981	6 938	14 498
%	55.1%	44.9%	50.2%	49.8%	32.4%	67.6%
ECD-benefit (by Merion criteria), %	48.6	59.2	100.0	100.0	72.3	67.3
Age (mean)	46.1	54.8	54.2	58.3	68.7	69.3
Male (%)	58.7	61.0	60.1	62.8	60.5	64.3
Race (%):
White	43.6	46.0	46.7	46.4	53.2	58.9
Black	29.1	31.1	28.8	31.4	20.7	21.5
Hispanic	17.6	15.6	11.9	13.2	14.2	12.1
Asian	7.4	5.3	9.8	6.5	10.2	5.7
BMI (mean)	27.7	28.3	28.7	28.8	27.9	27.7
Primary cause of ESRD (%):
Glomerulonephritis	20.6	13.8	10.9	7.0	10.5	9.7
Diabetic Nephropathy	31.8	38.4	54.2	60.4	40.9	37.9
Polycystic kidney disease	7.5	7.1	6.4	4.5	5.7	5.9
Hypertensive nephrosclerosis	19.4	21.8	15.6	15.1	24.6	25.4
Diabetes (%)	39.3	49.2	61.9	69.3	52.8	50.5
PRA (%):
0–19%	79.8	77.7	80.5	79.3	82.6	80.6
20–79%	13.1	14.1	12.7	13.4	11.6	12.9
80–100%	7.1	8.1	6.8	7.4	5.8	6.6
Primary insurance (%):
Private	48.0	40.9	52.5	41.6	33.4	22.8
Medicare	39.0	50.2	37.8	49.8	61.4	72.0
Medicaid	10.0	6.3	7.0	5.8	3.5	3.0
Education (%):
High school or less	56.1	55.9	52.7	54.5	56.9	56.4
College	38.2	37.1	40.4	37.8	33.5	33.6
Beyond college	5.7	7.0	6.8	7.7	9.6	10.0
Median waiting time (days)	1675	1512	1968	1737	1798	1502
Median waiting time for SCD (days)	1887	1780	2203	2048	1998	1783