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Cost-effectiveness of screening programs for Chlamydia trachomatis: a population-based dynamic approach.
R Welte1, M Kretzschmar, R Leidl
1Department of Health Services Research, National Institute of Public Health and the Environment, Bilthoven, The Netherlands. Robert.Welte@rivm.nl
Sexually Transmitted Diseases
|October 18, 2000
Summary
A new dynamic model shows chlamydial screening programs can be cost-effective. This approach considers population effects, unlike older models, and suggests savings in preventing negative health outcomes.
Area of Science:
- Public Health
- Health Economics
- Epidemiology
Background:
- Traditional economic models for chlamydial screening overlook population-level effects.
- A novel dynamic modeling approach is needed to accurately assess chlamydial prevention strategies.
Purpose of the Study:
- To develop a dynamic model for evaluating chlamydial prevention measures.
- To determine the cost-effectiveness of a general practitioner-based chlamydial screening program in the Netherlands.
Main Methods:
- A population-based stochastic simulation model was used to estimate chlamydial incidence and transmission dynamics.
- A decision analysis model integrated incidence data to assess health effects.
- Net costs were calculated from a societal perspective, accounting for investment and averted costs.
Main Results:
- The dynamic model accurately captures chlamydial transmission and screening impacts on incidence.
- The screening program generated savings of US $492–$1,086 per major outcome averted over 10 years.
- Cost-effectiveness is influenced by chlamydial prevalence and partner referral rates.
Conclusions:
- Dynamic modeling on a population basis is superior for determining chlamydial screening cost-effectiveness.
- The evaluated screening program not only prevents adverse health outcomes but also offers financial savings.