Objective: The purpose of this study was to evaluate the intraexaminer and interexaminer reliability of image assessment of infrared thermography of the plantar surface of people with diabetes mellitus.
Methods: Fifty-one participants with diabetes were included. The interexaminer reliability (test) consisted of measuring the temperature of the plantar surface by 2 evaluators who separately performed the analysis of thermographic images. The intraexaminer reliability (retest) consisted of the revaluation of the images by a single evaluator 10 days after the first analysis.
Results: The analysis of intrareliability and interreliability indicated excellent levels of correlation (intraclass correlation coefficient >0.75, 95% confidence interval >0.70) in the plantar surface points analyzed.
Conclusion: Infrared thermography image evaluation identified intrareliability and interreliability for temperature analysis of the plantar surface of people with diabetes mellitus. However, further studies need to be conducted to assess validity and its application in health care.
Author keywords: Body Temperature; Diabetic Foot; Lower Limbs; Reproducibility of Results
Author affiliations: NCMS: School of Nursing of the University of São Paulo/EERP-USP, São Paulo, Brazil; HAC, LCC, DHI: Course of Physiotherapy, Federal University of Alfenas, Alfenas, Brazil; Nursing School, Federal University of Alfenas, Alfenas, Brazil; HAC, LCC, ECLC, LOR, DHI: Nursing School, Federal University of Alfenas, Alfenas, Brazil
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