Abstract

Background: Gastrointestinal bleeding is a common emergency in medical facilities. In clinical practice, there are many scales used to evaluate the risk of poor prognosis (Rockall, Glasgow, Blatch Ford) and mainly applied in upper gastrointestinal tract. However, the prognosis of lower gastrointestinal tract diseases remains limited. The appropriate selection and the application of scales for assessing the risks of poor prognosis in acute lower gastrointestinal bleeding (ALGIB) cases are essential, assist the physician to direct the intensive management attitude as well as the waste of human resources and health economy. Oakland score has been considered as a simple, convenient score to assist clinicians quickly, accurately stratify the risk of ALGIB patients. This study aimed to validate the Oakland score for predicting adverse outcomes of ALGIB patients. Methods: A cross-sectional study was conducted at Cho Ray Hospital from Jan 2021 to May 2021, including patients aged ≥ 16 years who had indication of admission due to symptoms suggesting ALGIB and underwent