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. Author manuscript; available in PMC: 2025 Sep 8.
Published in final edited form as: Am J Transplant. 2025 Feb;25(2 Suppl 1):S329–S421. doi: 10.1016/j.ajt.2025.01.024

Table HR 12: Clinical characteristics of pediatric candidates on the heart transplant waiting list on December 31, 2013, and December 31, 2023.

CM, cardiomyopathy; VAD, ventricular assist device.

Characteristic 2013 N 2013 Percent 2023 N 2023 Percent

Pediatric diagnosis
Congenital defect 165 46.7 333 64.7
Idiopathic dilated CM 69 19.5 63 12.2
Familial dilated CM 3 0.8 7 1.4
Idiopathic restricted CM 21 5.9 10 1.9
Myocarditis 8 2.3 11 2.1
Other/unknown 87 24.6 91 17.7
Blood type
A 107 30.3 136 26.4
AB 7 2.0 11 2.1
B 35 9.9 61 11.8
O 204 57.8 307 59.6
VAD status at listing
No VAD 328 92.9 443 86.0
VAD 18 5.1 70 13.6
Missing 7 2.0 2 0.4
Urgency status for heart candidates
Status 1A 105 29.7 143 27.8
Status 1B 44 12.5 135 26.2
Status 2 82 23.2 99 19.2
Temporarily inactive 122 34.6 138 26.8
All candidates
All candidates 353 100.0 515 100.0

OPTN/SRTR 2023 Annual Data Report