118
Participants
Start Date
April 4, 2019
Primary Completion Date
July 2, 2020
Study Completion Date
January 14, 2021
Near Focus NBI
Colonoscopy with near focus narrowing band imaging technology . Optical specifications include a 2 mm near field focal depth. Optical diagnosis of polyps were according to NICE and WASP, respectively.
Standard Focus NBI
Colonoscopy with narrow band imaging technology.Optical diagnosis of polyps were according to NICE and WASP, respectively.
Prince Songkla University, Hat Yai
Prince of Songkla University
OTHER