Novel user interface design for medication reconciliation: an evaluation of Twinlist.

MedStar author(s):
Citation: Journal of the American Medical Informatics Association. 22(2):340-9, 2015 Mar.PMID: 25665706Institution: MedStar Washington Hospital CenterDepartment: Emergency MedicineForm of publication: Journal ArticleMedline article type(s): Evaluation Studies | Journal Article | Research Support, Non-U.S. Gov'tSubject headings: *Audiovisual Aids | *Drug Therapy, Computer-Assisted | *Efficiency | *Medication Reconciliation/mt [Methods] | *User-Computer Interface | Attitude to Computers | Data Display | Databases as Topic | Humans | QuestionnairesLocal holdings: Available online through MWHC library: 2003 - present, Available in print through MWHC library: 1999 - presentISSN:
  • 1067-5027
Name of journal: Journal of the American Medical Informatics Association : JAMIAAbstract: CONCLUSIONS: Cognitive support of medication reconciliation through interface design can significantly improve performance and safety.Copyright � The Author 2015. Published by Oxford University Press on behalf of the American Medical Informatics Association. All rights reserved. For Permissions, please email: [email protected]: Trials using Twinlist were faster and more accurate. Subjectively, participants rated Twinlist more favorably than Control. They valued the novel layout of the drugs, but indicated that the included animation would be valuable for novices, but not necessarily for advanced users. Additional feedback from participants provides guidance for further development and clinical implementations.MATERIAL AND METHODS: A 1x2 within-subjects experimental design was used with interface (Twinlist or Control) as an independent variable; time, number of clicks, scrolls, and errors were used as dependent variables. Participants were practicing medical providers with experience performing medication reconciliation but no experience with Twinlist. They reconciled two cases in each interface (in a counterbalanced order), then provided feedback on the design of the interface.OBJECTIVE: The primary objective was to evaluate time, number of interface actions, and accuracy on medication reconciliation tasks using a novel user interface (Twinlist, which lays out the medications in five columns based on similarity and uses animation to introduce the grouping - www.cs.umd.edu/hcil/sharp/twinlist) compared to a Control interface (where medications are presented side by side in two columns). A secondary objective was to assess participant agreement with statements regarding clarity and utility and to elicit comparisons.RESULTS: Twenty medical providers participated in the study for a total of 80 trials. The trials using Twinlist were statistically significantly faster (18%), with fewer clicks (40%) and scrolls (60%). Serious errors were noted 12 and 31 times in Twinlist and Control trials, respectively.All authors: Hettinger AZ, Plaisant C, Powsner S, Shneiderman B, Wu JDigital Object Identifier: Date added to catalog: 2016-01-13
Holdings
Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article Available 25665706

Available online through MWHC library: 2003 - present, Available in print through MWHC library: 1999 - present

CONCLUSIONS: Cognitive support of medication reconciliation through interface design can significantly improve performance and safety.Copyright � The Author 2015. Published by Oxford University Press on behalf of the American Medical Informatics Association. All rights reserved. For Permissions, please email: [email protected].

DISCUSSION: Trials using Twinlist were faster and more accurate. Subjectively, participants rated Twinlist more favorably than Control. They valued the novel layout of the drugs, but indicated that the included animation would be valuable for novices, but not necessarily for advanced users. Additional feedback from participants provides guidance for further development and clinical implementations.

MATERIAL AND METHODS: A 1x2 within-subjects experimental design was used with interface (Twinlist or Control) as an independent variable; time, number of clicks, scrolls, and errors were used as dependent variables. Participants were practicing medical providers with experience performing medication reconciliation but no experience with Twinlist. They reconciled two cases in each interface (in a counterbalanced order), then provided feedback on the design of the interface.

OBJECTIVE: The primary objective was to evaluate time, number of interface actions, and accuracy on medication reconciliation tasks using a novel user interface (Twinlist, which lays out the medications in five columns based on similarity and uses animation to introduce the grouping - www.cs.umd.edu/hcil/sharp/twinlist) compared to a Control interface (where medications are presented side by side in two columns). A secondary objective was to assess participant agreement with statements regarding clarity and utility and to elicit comparisons.

RESULTS: Twenty medical providers participated in the study for a total of 80 trials. The trials using Twinlist were statistically significantly faster (18%), with fewer clicks (40%) and scrolls (60%). Serious errors were noted 12 and 31 times in Twinlist and Control trials, respectively.

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