Randomized trial of 2-L polyethylene glycol + ascorbic acid versus 4-L polyethylene glycol as bowel cleansing for colonoscopy in an optimal setting

Background and Aim Prior studies have reported 2‐ L polyethylene glycol ( PEG ) plus ascorbic acid ( PEG + A sc) is an effective alternative to standard 4‐ L PEG for bowel preparation before colonoscopy, but they are limited because of some confounders. Therefore, we compared the efficacy, patient compliance, satisfaction, and safety of 2‐ L PEG + Asc versus 4‐ L PEG for bowel cleansing in optimal preparation strategies. Methods In this...