Document Detail

Voice recognition software: effect on radiology report turnaround time at an academic medical center.
MedLine Citation:
PMID:  20566816     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Previous studies have documented reductions in turnaround time after implementation of voice recognition software in the generation of radiology reports. Our preliminary observations suggested that improvement in report turnaround time varies among users. The purpose of this study was to analyze the effect of work habits and caseload on such variations.
SUBJECTS AND METHODS: Data were collected for 9 months before and after the implementation of voice recognition after a 6-month training period. Thirty faculty members were ranked according to their report turnaround time before and after implementation of voice recognition and according to their percentage reduction in report turnaround time. The report turnaround times before and after implementation of voice recognition for faculty were compared with the number of verified reports and work habit type.
RESULTS: The average report turnaround time for the department before implementation of voice recognition was 28 hours. After implementation of voice recognition, the average turnaround time was 12.7 hours, and the volume of verified reports increased 5% between the two study periods. The improvement in report turnaround time for individual faculty members ranged from -33% to +93%, and the rank order did not change significantly (Spearman coefficient, 0.58; p < 0.05). Faculty members' ranks in report turnaround time did not correlate significantly with volume rank before and after implementation of voice recognition (Spearman coefficients, 0.341 and 0.346; p > 0.05). Faculty members who had type 1 work habits, that is, reviewed, revised, and finalized reports at the time of image review, benefited the most from use of voice recognition.
CONCLUSION: Use of voice recognition software decreased report turnaround time for the department and for 28 of 30 individual faculty members. Improvement in report turnaround time does not correlate with workload but does correlate with work habits, suggesting human behavior may play a role in determining the outcome of adopting a productivity-enhancing technology.
Arun Krishnaraj; Joseph K T Lee; Sandra A Laws; T Jay Crawford
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  AJR. American journal of roentgenology     Volume:  195     ISSN:  1546-3141     ISO Abbreviation:  AJR Am J Roentgenol     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-06-22     Completed Date:  2010-07-15     Revised Date:  2011-05-05    
Medline Journal Info:
Nlm Unique ID:  7708173     Medline TA:  AJR Am J Roentgenol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  194-7     Citation Subset:  AIM; IM    
Department of Radiology, University of North Carolina Hospitals, Chapel Hill, 27599, USA. <>
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MeSH Terms
Academic Medical Centers
Analysis of Variance
Efficiency, Organizational*
Radiology Department, Hospital / organization & administration*
Radiology Information Systems
Speech Recognition Software*
Time Factors
Comment In:
AJR Am J Roentgenol. 2011 Apr;196(4):W485; author reply 486   [PMID:  21427317 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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