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Usability Evaluation of Laboratory Information Systems.

Althea Mathews1, David Marc1

  • 1Department of Health Informatics and Information Management, The College of St. Scholastica, Duluth, MN 55811, USA.

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|November 9, 2017
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Summary

Laboratory information system (LIS) usability is poor, with low System Usability Scale (SUS) scores indicating a need for improvement. This impacts patient care and clinician efficiency, highlighting the need for user-friendly LIS design.

Keywords:
Health information technology usabilityhuman–computer interactionlaboratory information systems

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Area of Science:

  • Health Informatics
  • Human-Computer Interaction
  • Clinical Laboratory Science

Background:

  • Clinician frustration with electronic health records (EHRs) is widespread, impacting adoption and potentially compromising patient safety.
  • While EHR usability is well-researched, laboratory information systems (LISs) usability remains understudied, despite their critical role in providing physician decision-making data.
  • Advances in genomics increase the complexity of laboratory data, necessitating user-friendly LISs.

Purpose of the Study:

  • To assess the usability of laboratory information systems (LISs) in US hospitals.
  • To identify factors influencing LIS usability and provide insights for system improvement.

Main Methods:

  • A survey was administered to LIS users across US hospitals.
  • The survey included the ten-item System Usability Scale (SUS) and ratings for 24 common LIS tasks.
  • Open-ended comments were collected to gather qualitative insights into perceived LIS usability.

Main Results:

  • The overall mean SUS score for evaluated LISs was 59.7, significantly below the benchmark of 68 (P < 0.001).
  • All LISs, except Orchard Harvest (78.7), scored below the benchmark.
  • Years of experience using an LIS influenced usability scores, but did not fully explain differences between systems.

Conclusions:

  • The overall usability of LISs is poor, lagging behind other evaluated systems.
  • Current LIS usability presents a significant barrier to efficient and safe patient care.
  • Improvements in LIS design are crucial to enhance user experience and support clinical decision-making.