DEVELOPMENT AND EVALUATION OF THE USABILITY OF AN APPLICATION FOR ELECTRONIC RECORD OF PRE-HOSPITAL CARE

Abstract

Objective: The study aimed to evaluate and validate the mobile application "Registro 192" for electronic registration of prehospital care. Methods: The process was done in four steps: 1) Literature review and survey of the software on IOS and Android platforms; 2) Development of the application, including the definition of the layout, organization of the screens, functionalities and content; 3) Evaluation of the application by two different groups: health professionals and computer professionals; 4) validation through a questionnaire using the System Usability Scale (SUS) based on the Likert scale. Results: The positive items had 732 total points and a pass rate of 97.6%, while the negative items had an overall score of 165, with 22% approval. Thus, the general evaluation had 1317 points, an approval of 87.8%, corresponding to the general Cronbach coefficient of 0.827. Conclusion: The application proved to be efficient and practical, and it was possible to use it in the routine of pre-hospital care.