Regular diet is non-inferior to restricted diet after polypectomy with decreased hospitalization length of stay and cost: a randomized-controlled trial.

"Conflict of Interest None declared."

"Funding This work was supported by the Science and Technology Planning Project of Guangdong Province [grant number 2017A020215139] and Guangdong Gastrointestinal Disease Research Center [grant number 2017B020209003]."

"The study was conducted at the Department of Gastroenterology. It was designed as a randomized–controlled trial performed in a parallel manner. The primary end point of this study was the post-polypectomy AE rate, and the secondary end points included LOS and hospitalization costs. All the participants received 3-day, 7-day, and 14-day follow-ups to evaluate post-operative AE. The study was conducted in accordance with the ethical guidelines of the Declaration of Helsinki and the protocol was approved by the Institutional Review Board of Southern Medical University. This clinical trial was also registered in the Chinese Clinical Trail Registry center (ChiCTR1900021673)."