Several studies have found that the body composition of CD patients is related to disease and therapies. Due to lack of a prospective multicenter cross-sectional observational study on the nutritional status and body composition of adult patients with CD in China. Evaluating the nutritional status and body composition of these patients can help formulate individualized nutritional support strategies for adult CD patients.
Patients with Crohn's disease generally have nutritional risks and malnutrition. The investigators will conduct a multicenter cross-sectional study to discover nutritional status and body composition of Chinese adult patients with CD.