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Development of a clinician reputation metric to identify appropriate problem-medication pairs in a crowdsourced knowledge base.

Abstract：

BACKGROUND:Correlation of data within electronic health records is necessary for implementation of various clinical decision support functions, including patient summarization. A key type of correlation is linking medications to clinical problems; while some databases of problem-medication links are available, they are not robust and depend on problems and medications being encoded in particular terminologies. Crowdsourcing represents one approach to generating robust knowledge bases across a variety of terminologies, but more sophisticated approaches are necessary to improve accuracy and reduce manual data review requirements. OBJECTIVE:We sought to develop and evaluate a clinician reputation metric to facilitate the identification of appropriate problem-medication pairs through crowdsourcing without requiring extensive manual review. APPROACH:We retrieved medications from our clinical data warehouse that had been prescribed and manually linked to one or more problems by clinicians during e-prescribing between June 1, 2010 and May 31, 2011. We identified measures likely to be associated with the percentage of accurate problem-medication links made by clinicians. Using logistic regression, we created a metric for identifying clinicians who had made greater than or equal to 95% appropriate links. We evaluated the accuracy of the approach by comparing links made by those physicians identified as having appropriate links to a previously manually validated subset of problem-medication pairs. RESULTS:Of 867 clinicians who asserted a total of 237,748 problem-medication links during the study period, 125 had a reputation metric that predicted the percentage of appropriate links greater than or equal to 95%. These clinicians asserted a total of 2464 linked problem-medication pairs (983 distinct pairs). Compared to a previously validated set of problem-medication pairs, the reputation metric achieved a specificity of 99.5% and marginally improved the sensitivity of previously described knowledge bases. CONCLUSION:A reputation metric may be a valuable measure for identifying high quality clinician-entered, crowdsourced data.

journal_name

J Biomed Inform

journal_title

Journal of biomedical informatics

authors

McCoy AB,Wright A,Rogith D,Fathiamini S,Ottenbacher AJ,Sittig DF

doi

10.1016/j.jbi.2013.11.010

subject

Has Abstract

pub_date

2014-04-01 00:00:00

pages

66-72

eissn

1532-0464

issn

1532-0480

pii

S1532-0464(13)00191-3

journal_volume

48

pub_type

杂志文章

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