Colorectal Cancer, Colorectal Neoplasia
Conditions
Keywords
colonoscopy
Brief summary
The primary objective of this study is to analyze the 15-year cumulative incidence of advanced colorectal neoplasia and CRC-related mortality after the index colonoscopy.
Detailed description
This is a territory-wide retrospective observational cohort study using the Clinical Data Analysis and Reporting System (CDARS). We will identify patients from CDARS with colonoscopy performed from 1 January 2000 to 31 October 2020. Other relevant diagnoses, procedures, concomitant drugs, laboratory parameters and pathology results will be retrieved and studied.
Interventions
None listed
Sponsors
Chinese University of Hong Kong
Study design
Observational model
COHORT
Time perspective
RETROSPECTIVE
Eligibility
Sex/Gender
ALL
Healthy volunteers
Yes
Inclusion criteria
1\. All patients with colonoscopy performed in HA hospitals during the study period would be eligible for screening.
Exclusion criteria
1\. Patients with documented personal history of colorectal cancers before the study period would be excluded.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Culumative incidence of advanced colorectal neoplasia | 15 years | high-risk adenomas or CRC after 15 years of index conoloscopy |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| CRC-related mortality rate | 15 years | the rate of mortality due to CRC-related incidents |
Countries
Hong Kong
Contacts
Primary ContactFelix Sia
Backup ContactThomas Lam
Outcome results
None listed