Related Experiment Videos
Analysis of screening data: colorectal cancer
D Gyrd-Hansen1, J Søgaard, O Kronborg
1Centre for Health and Social Policy, Odense, Denmark.
International Journal of Epidemiology
|February 3, 1998
Summary
This study reveals the Hemoccult II screening test for colorectal cancer has a 62.1% sensitivity and a 2.1-year sojourn time. More frequent screening can significantly enhance program effectiveness.
Area of Science:
- Gastroenterology
- Epidemiology
- Biostatistics
Background:
- Utilizes data from an established colorectal cancer screening program.
- Provides insights into colorectal cancer natural history.
- Evaluates the unhydrated Hemoccult II screening test characteristics.
Purpose of the Study:
- To estimate the sensitivity of the Hemoccult II screening test.
- To determine the disease sojourn time for colorectal cancer.
- To assess the impact of screening frequency on program effectiveness.
Main Methods:
- Employs a mathematical model for analysis.
- Utilizes prevalence and interval incidence data.
- Data sourced from a randomized screening project in Funen County, Denmark.
Main Results:
- Hemoccult II sensitivity estimated at 62.1%.
- Mean disease sojourn time estimated at 2.1 years.
Conclusions:
- Short sojourn time suggests potential for improved screening effectiveness.
- Recommends more frequent screening intervals for Hemoccult II programs.
- Highlights the value of existing screening data for research.