Abstract
to assess the usability of an app prototype for diabetic foot self-care by an end user. a descriptive study that uses heuristic assessment of a hybrid app usability. Fifteen users of an outpatient diabetes care service in a capital of Northeastern Brazil participated in the study during April 2018. The usability measurement tool called Smartphone Usability questionnaiRE was applied. the lowest score was 77 and the highest was 112, with an average usability of 96.1 points. Usability was framed in the last two levels, 70 and 8o. Users now strongly agree (level 70) and fully (level 80) with the assessed items, which represents good usability of the apps prototype. the final product developed focuses on user needs and requirements, which can ensure usability based on effectiveness, efficiency and satisfaction triad.
Highlights
Diabetes Mellitus (DM) currently affects 425 million adults worldwide
All types of DM can result in complications affecting many parts of the body, leading to frequent hospitalization, disability and premature death(1)
The number of hospitalizations for treatment of complicated diabetic foot and amputation is increasing compared to the other complications of DM(3)
Summary
Diabetes Mellitus (DM) currently affects 425 million adults worldwide. DM is projected to reach 629 million by 2045, i.e., there will be an estimated 48% increase in the number of people with the disease. The diabetic foot stands out, being the most feared by patients due to one-limb loss(1). They are common and result in considerable, often recurring suffering, and are associated with a high mortality rate and a high cost of health, which makes it a serious public health problem(2). The number of hospitalizations for treatment of complicated diabetic foot and amputation is increasing compared to the other complications of DM(3)
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