Funding for this research was provided by:
Royal College of Surgeons of England
Article History
Received: 11 March 2024
Accepted: 14 June 2024
First Online: 6 August 2024
Data availability
: The data used for this analysis is available upon request from NHS Blood & Transplantation.
: DC received a grant from the Royal College of Surgeons (England).
: The authors declare that there are no relationships or activities that might bias, or be perceived to bias, their work.
: RR, DC and AS researched data, contributed to discussion and wrote the first draft of the manuscript. FE and AS reviewed and edited the manuscript. DC and FE contributed to data analysis. All authors approved the final version of the manuscript. AS is the guarantor of this work and, as such, had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.