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Updated: Jun 3, 2026
06:46
A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19
Published on: July 5, 2022
Maximizing efficiency and cost-effectiveness of Type 2 diabetes screening: the AusDiab study
L Chen1, D J Magliano, B Balkau
1Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia. lei.chen@monash.edu
Summary
Efficiently screen for Type 2 diabetes using a two-step approach. The Australian Type 2 Diabetes Risk Assessment Tool (AUSDRISK1) followed by AUSDRISK2 identifies high-risk individuals, optimizing early detection and prevention strategies.
Area of Science:
- Endocrinology
- Public Health
- Preventive Medicine
Background:
- Type 2 diabetes is a growing global health concern.
- Early detection of Type 2 diabetes and individuals at high risk is crucial for effective management and prevention.
- Current screening methods vary in efficiency and cost-effectiveness.
Purpose of the Study:
- To determine the most efficient population screening strategy for identifying individuals with prevalent undiagnosed Type 2 diabetes and those at high risk of developing incident Type 2 diabetes.
- To compare the performance of different screening strategies based on sensitivity, specificity, positive predictive value, and costs.
Main Methods:
- Utilized data from 5814 adults in the Australian Diabetes, Obesity and Lifestyle study.
- Evaluated four screening strategies combining fasting plasma glucose, the Australian Type 2 Diabetes Risk Assessment Tool (AUSDRISK1), and a modified version (AUSDRISK2).
- Assessed sensitivity, specificity, positive predictive value, and costs associated with screening and intervention.
Main Results:
- The strategy using AUSDRISK1 followed by AUSDRISK2 for those at increased risk demonstrated the highest sensitivity (80.3%) and specificity (78.1%).
- This optimal strategy identified individuals with prevalent undiagnosed or incident Type 2 diabetes, requiring the fewest participants (24.1%) for lifestyle modification programs.
- It also resulted in the lowest intervention and overall program costs per case of diabetes prevented or reverted.
Conclusions:
- A sequential screening approach, starting with a self-assessed risk score (AUSDRISK1) and followed by a risk score incorporating fasting plasma glucose (AUSDRISK2), is highly efficient.
- This method maximizes the identification of individuals with undiagnosed Type 2 diabetes and those at high risk for future development.
- The findings support the implementation of this cost-effective strategy for population-based diabetes screening.
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