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Authors
Xie, Zhen
Gao, Yang
Tian, Lidi
Jiang, Yang
Zhang, Hao
Su, Yang
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Article History
Received: 17 March 2023
Accepted: 8 December 2023
First Online: 19 December 2023
Declarations
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: All data were obtained through request to the Online Healthcare Cost and Utilization Project (HCUP) Central Distributor, which administers the database. This study conforms to the NIS data-use agreement with HCUP. Because this study analyzed secondary data from the NIS database, patients and the public were not involved directly. The study protocol was submitted to the Institutional Review Board (IRB) of Sichuan Provincial People’s Hospital, which exempted the study from IRB approval. Since all data in the NIS database are de-identified, the requirement for informed consent of patients was also waived by the Institutional Review Board (IRB) of Sichuan Provincial People’s Hospital. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.
