Appl Clin Inform - A pilot study on usability analysis of emergency department information system by nurses.

Tópicos

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Resumo

JECTIVES: Employing new health information technologies while concurrently providing quality patient care and reducing risk is a major challenge in all health care sectors. In this study, we investigated the usability gaps in the Emergency Department Information System (EDIS) as ten nurses differentiated by two experience levels, namely six expert nurses and four novice nurses, completed two lists of nine scenario-based tasks.METHODS: Standard usability tests using video analysis, including four sets of performance measures, a task completion survey, the system usability scale (SUS), and sub-task analysis were conducted in order to analyze usability gaps between the two nurse groups.RESULTS: A varying degree of usability gaps were observed between the expert and novice nurse groups, as novice nurses completed the tasks both less efficiently, and expressed less satisfaction with the EDIS. The most interesting finding in this study was the result of 'percent task success rate,' the clearest performance measure, with no substantial difference observed between the two nurse groups. Geometric mean values between expert and novice nurse groups for this measure were 60% vs. 62% in scenario 1 and 66% vs. 55% in scenario 2 respectively, while there were some marginal to substantial gaps observed in other performance measures. In addition to performance measures and the SUS, sub-task analysis highlighted navigation pattern differences between users, regardless of experience level.CONCLUSION: This study will serve as a baseline study for a future comparative usability evaluation of EDIS in other institutions with similar clinical settings.

Resumo Limpo

jectiv employ new health inform technolog concurr provid qualiti patient care reduc risk major challeng health care sector studi investig usabl gap emerg depart inform system edi ten nurs differenti two experi level name six expert nurs four novic nurs complet two list nine scenariobas tasksmethod standard usabl test use video analysi includ four set perform measur task complet survey system usabl scale sus subtask analysi conduct order analyz usabl gap two nurs groupsresult vari degre usabl gap observ expert novic nurs group novic nurs complet task less effici express less satisfact edi interest find studi result percent task success rate clearest perform measur substanti differ observ two nurs group geometr mean valu expert novic nurs group measur vs scenario vs scenario respect margin substanti gap observ perform measur addit perform measur sus subtask analysi highlight navig pattern differ user regardless experi levelconclus studi will serv baselin studi futur compar usabl evalu edi institut similar clinic set

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