Critical State of "Remission-Recurrence" of Ulcerative Colitis

Exclusion Criteria

• •Patients with incomplete case information records;
• •Patients who have not completed serological tests;
• •Complications including intestinal obstruction, intestinal perforation, toxic megacolon, and severe local stenosis;
• •Diagnosed or suspected patients with coexisting uncertain colitis, infectious or ischemic colitis;
• •Patients with coexisting local or systemic infections, any malignant diseases, or autoimmune diseases;
• •Merge primary diseases such as respiratory, circulatory, neurological, endocrine, and hematological disorders;
• •Individuals at risk of developing cancer;
• •regnant or lactating women.