advanced colorectal neoplasia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Han Chinese with Chinese nationality; 2. initial colonoscopy screening; 3. Aged 18 to 75 years; 4. agree to participate in this study and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. persons with mental illness or mental retardation; 2. poor bowel preparation; 3. incomplete colonoscopy; 4. colonoscopy reveals chronic colitis or inflammatory bowel disease; 5. familial adenomatous polyposis; 6. refuse to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| incidence of advanced colorectal neoplasia;SEN, SPE, ACC, AUC of ROC; | — |
Countries
China
Contacts
the University of Hong Kong-Shenzhen Hospital