Table HR 2: Clinical characteristics of adults on the heart transplant waiting list on December 31, 2013, and December 31, 2023.

Candidates waiting for transplant on December 31 of the given year, regardless of first listing date. VAD, ventricular assist device.

Characteristic	2013 N	2013 Percent	2023 N	2023 Percent
Diagnosis
Coronary artery disease	1,198	35.5	813	28.4
Cardiomyopathy	1,810	53.6	1,661	58.0
Congenital disease	159	4.7	187	6.5
Valvular disease	47	1.4	20	0.7
Other/unknown	160	4.7	181	6.3
Blood type
A	1,073	31.8	763	26.7
AB	78	2.3	43	1.5
B	394	11.7	266	9.3
O	1,829	54.2	1,790	62.5
VAD status at listing
No VAD	2,449	72.6	1,799	62.9
VAD	908	26.9	1,062	37.1
Missing	17	0.5	1	0.0
Urgency status for heart candidates
Status 1A	325	9.6	0	0
Status 1B	1,328	39.4	0	0
Status 2	908	26.9	0	0
Adult status 1	0	0	19	0.7
Adult status 2	0	0	158	5.5
Adult status 3	0	0	140	4.9
Adult status 4	0	0	1,403	49.0
Adult status 5	0	0	128	4.5
Adult status 6	0	0	551	19.3
Temporarily inactive	813	24.1	463	16.2
All candidates
All candidates	3,374	100.0	2,862	100.0

OPTN/SRTR 2023 Annual Data Report