Received: 20 February 2022
Accepted: 12 May 2022
First Online: 22 June 2022
: The protocol for this research was approved by a suitably constituted Ethics Committee at the institution (Committee of the Institutional Review Board at Mie University of Japan, Approval No. H2021-024), and the study conformed to the provisions of the Declaration of Helsinki. Informed consents were obtained from all the participants through an opt-out form. Participants were explained that they could opt out of participation by filling out an opt-out form. This consent procedure was approved by the Committee of the Institutional Review Board at Mie University of Japan. The study received ethical approval for the anonymization of patient data, the absence of risks to the patient, and the potential benefit for the adequate management of POPF based on unbiased information. All data were fully anonymized before we accessed them.
: Not applicable.
: The authors declare that they have no competing interests.