Article History
Received: 11 December 2023
Accepted: 13 February 2024
First Online: 1 March 2024
Declarations
:
: As this study was a retrospective study and the identities of patients were intentionally anonymized, no individual informed consent was required, so this study was approved by the Medical Ethics Committee of Chengdu Women’s and Children’s Central Hospital and subject informed consent was exempted.
: Not applicable.
: The authors declare no competing interests.