Verification of data in a nationwide transanal total mesorectal excision registry in China.

Background And Objectives: Transanal total mesorectal excision is a surgical procedure for mid- and low rectal cancer. The Chinese TaTME Registry Collaborative is a nationwide database collecting information on patients who have undergone this procedure.

Methods: Centers were invited by the registry committee to participate in a three-part data audit project: remote audits for data completeness and deviation values, onsite source verification of data accuracy, and an online survey of the characteristics of data managers.