Butnari, Valentin https://orcid.org/0000-0001-8995-0413
Scantlebury, Petra
Green, Tony
Pattni, Devendra
Mansuri, Ahmer
Chinnery, Wendy
Rajendran, Nirooshun
Brannan, Mike
Cole, Matthew
Banerjee, Saswata
Article History
Received: 28 May 2025
Accepted: 19 September 2025
First Online: 28 October 2025
Declarations
:
: Due to the retrospective study design and anonymized documentation of underlying cost data, no ethical vote was needed. Institutional Approval was granted before the collection of anonymized data. This study was approved by the Divisional Governance Committee and adhered to all the local information and research governance guidelines. The analysis used anonymized and de-identified patient-level data to ensure compliance with NHS data management regulations and the Health Insurance Portability and Accountability Act (HIPAA). This study was not considered research by the NHS Health Research Authority decision tool hence no ethical approval needed [ ].
: Not applicable.
: The authors declare no competing interests.