213
Participants
Start Date
January 1, 2016
Primary Completion Date
December 1, 2021
Study Completion Date
May 31, 2022
COVID
Each surgical procedure was considered an independent event. Moreover, the January 2016-December 2019 and January 2020-December 2021 intervals were defined as pre-COVID and COVID periods, respectively.
Taipei Medical University WanFang Hospital
OTHER