Performance and User Experience Evaluation of a Non Invasive Glucose Monitoring Device

Abstract

Keren Horman, Yulia Mayzel, Avner Gal, Karnit Bahartan, Andrew Drexler and Tamar Lin

Background: An accurate, low-maintenance, comfortable and easy-to-use glucose monitoring device might be the key to successful diabetes management. This research evaluated the performance of user experience with GlucoTrack®, a commercially available non-invasive device. Specifically, following one individual calibration, accuracy was assessed during a six month period equivalent to device sensors’ lifespan.

Materials and Methods: GlucoTrack’s accuracy during six months was evaluated in 17 type-2 diabetic patients. User experience and device acceptance were assessed using questionnaires obtained from 95 naïve people with diabetes who used GlucoTrack at home.

Results: GlucoTrack’s overall mean absolute relative difference (ARD) was 22.8% and 98.0% of points were in the clinically acceptable zones A and B of the Clarke Error Grid. The 95% confidence intervals of ARD standard deviation values of the first and sixth months (15.3-17.2% and 16.6-18.7%, respectively) overlapped. A favorable response to the easiness of device use and measurement performance, as well as to the comfort of the device and its screen, were reported in 75%, 86%, 87% and 95% of the users, respectively. These results did not depend on age, gender and level of education. Additionally, 83% of users expressed willingness to use the device regularly and 75% stated they would measure their glucose more frequently compared to the use of invasive device. Conclusions: GlucoTrack maintained its accuracy for six months, pointing to its low maintenance. The device was also highly accepted among diabetic patients. These findings attest the potential of GlucoTrack to enhance diabetic patients’ glucose monitoring routine.

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