Foot Temperature Measurement in People With Diabetes: Validation of a Non-Contact Thermal Device
Authors' conclusion
The InvCam system demonstrated validity for foot temperature measurement compared with the current reference standard and offers the advantage over current systems of being non-contact, eliminating the risk of infection and cross-contamination.
Study context
- Population
- People with diabetes and active foot ulcer (diabetic foot ulceration (DFU), n = 38; 57 ± 12.2 years), diabetes without ulcers (DM, n = 35; 51.5 ± 16.3 years) and healthy young controls without diabetes (C, n = 34; 34.2 ± 10.7 years); mean age 48 years, 49% female3 groups
- Participants
- 107 people
- Comparison
- Feetsee non-contact thermal device vs FlirA615 with TotalVision software
- Outcome
- Validity in measuring temperature differences between feet vs reference standard
Methodological detailstechnical report
- Technical report
Performance
As reported in the abstract
Agreement in foot temperature measurements between devices
Intraclass correlation coefficient
0.95
Typical error
0.31 deg
Original publication
Foot Temperature Measurement in People With Diabetes: Validation of a Non-Contact Thermal Device. J Diabetes Sci Technol. Published 10 December 2025. doi:10.
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