diarrhea
Conditions
Interventions
General population:None
Patients with ulcerative colitis:None
Sponsors
Beijing Friendship Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: General population: 1. Aged >=18 years, irrespective of gender; 2. Presenting with mild intestinal symptoms (diarrhea, constipation, abdominal distension, mild abdominal pain, etc.) or receiving routine intestinal health consultation; 3. Capable of understanding study procedures and voluntarily providing written informed consent; 4. Able to acquire stool images following standardized protocols and complete questionnaire data collection as required. Patients with ulcerative colitis (UC): 1. Aged >=18 years, irrespective of gender; 2. Patients with pathologically confirmed UC via endoscopic examination; subjects are scheduled for colonoscopy or have undergone colonoscopy within the preceding 3 months with stable disease status and available complete endoscopic reports; 3. Capable of understanding study details and providing written informed consent voluntarily; 4. Able to capture stool images per standardized requirements and complete questionnaire data collection.
Exclusion criteria
Exclusion criteria: General population: 1. Confirmed diagnosis of inflammatory bowel disease or intestinal malignancy; 2. Subjects with severe cognitive dysfunction, psychiatric disorders, aphasia, blindness or other conditions precluding image collection; 3. Presence of acute gastrointestinal hemorrhage, shock, intestinal obstruction, intestinal perforation, toxic megacolon or other acute critical illnesses within the preceding 7 days; 4. History of intestinal resection or ostomy surgery within the last 3 months; 5. Pregnant or breastfeeding females. Patients with ulcerative colitis (UC): 1. Subjects with severe cognitive dysfunction, psychiatric disorders, aphasia, blindness or other disorders rendering them incapable of stool image collection; 2. Presence of acute gastrointestinal hemorrhage, shock, intestinal obstruction, intestinal perforation, toxic megacolon or other critical emergencies within the preceding 7 days; 3. History of intestinal surgery or ostomy operation within the past 3 months; 4. Pregnant or breastfeeding females; 5. Inability to furnish complete colonoscopy reports and clinical data, or other conditions judged ineligible for enrollment by the investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fecal Bristol classification and the situation of hematochezia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Accuracy of AI model prediction; | — |
Countries
China
Contacts
Public ContactLi Peng
Beijing Friendship Hospital, Capital Medical University
Outcome results
None listed