1,400
Participants
Start Date
January 1, 2017
Primary Completion Date
May 30, 2022
Study Completion Date
September 30, 2022
General anesthesia plus local infiltration
The eligible patients underwent anorectal surgery under general anesthesia (GE, GM, IVG) plus locally injected analgesics.
Spinal anesthesia
The eligible patients underwent anorectal surgery under spinal anesthesia alone.
Taichung Verterans General Hospital, Taichung
Taichung Veterans General Hospital
OTHER