Funding for this research was provided by:
the Guidance plan for social development of Taizhou Municipal Science and Technology (ssf20160141)
Text and Data Mining valid from 2019-10-07
Received: 1 June 2019
Accepted: 3 September 2019
First Online: 7 October 2019
Ethics approval and consent to participate
: The study was approved by the medical ethics committee of Jingjiang People’s Hospital. Because it was a retrospective study and did not include any personal information related to the participants, the need to obtain written informed consent was waived. The treatment of each participant during hospitalization was approved by the patient or their close family member, and written informed consent form was obtained before treatment.
: Not applicable.
: None of the authors report a competing interest.