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How Continuous Glucose Monitoring Reports Inform Clinical Decision-Making for Older Adults With Type 2 Diabetes:
April Savoy1,2,3,4, Cristina Barboi3,4, Sam Bibat3
1Edwardson School of Industrial Engineering, Purdue University, West Lafayette, IN, USA.
Journal of Diabetes Science and Technology
|May 15, 2026
Summary
Continuous glucose monitoring (CGM) reports significantly improved treatment decisions for older adults with type 2 diabetes by providing actionable data. This enhanced situation awareness led to safer, individualized care plans.
Area of Science:
- Geriatric Medicine
- Endocrinology
- Diabetes Management
Background:
- Older adults with type 2 diabetes face a high risk of hypoglycemia.
- Clinicians often lack sufficient glucose data for personalized treatment.
Purpose of the Study:
- To examine how standardized continuous glucose monitoring (CGM) reports influence clinical decision-making.
- To apply Endsley's situation awareness (SA) framework to understand this influence.
Main Methods:
- Semi-structured interviews with 30 clinicians.
- Clinicians reviewed simulated patient cases before and after CGM report analysis.
- Analysis used an SA-informed framework to assess data use and reasoning changes.
Main Results:
- CGM data led 86% of clinicians to modify treatment plans.
- 90% incorporated time-in-range metrics; 93% identified unrecognized hypoglycemia.
- Clinicians identified barriers like cost and food insecurity.
Conclusions:
- CGM data offers actionable insights superior to A1C alone for older adults with type 2 diabetes.
- CGM improved clinicians' situation awareness, leading to safer treatment strategies.
- Findings support SA-based decision-support tools for optimizing diabetes care.
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