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Published on: August 1, 2019
Impact of an evidence-based medicine curriculum on resident use of electronic resources: a randomized controlled
Sarang Kim1, Laura R Willett, David J Murphy
1University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, New Brunswick, NJ 08901, USA. kimsa@umdnj.edu
Background:
Evidence-based medicine (EBM) is widely taught in residency, but evidence for effectiveness of EBM teaching on changing residents' behavior is limited.
Objective:
To investigate the impact of an EBM curriculum on residents' use of evidence-based resources in a simulated clinical experience.
Design/Participants:
Fifty medicine residents randomized to an EBM teaching or control group.
Measurements:
A validated test of EBM knowledge (Fresno test) was administered before and after intervention. Post intervention, residents twice completed a Web-based, multiple-choice instrument (15 items) comprised of clinical vignettes, first without then with access to electronic resources. Use of electronic resources was tracked using ProxyPlus software. Within group pre-post differences and between group post-test differences were examined.
Results:
There was more improvement in EBM knowledge (100-point scale) for the intervention group compared to the control group (mean score increase 22 vs. 12, p = 0.012). In the simulated clinical experience, the most commonly accessed resources were Ovid (71% of residents accessed) and InfoPOEMs (62%) for the EBM group and UptoDate (67%) and MDConsult (58%) for the control group. Residents in the EBM group were more likely to use evidence-based resources than the control group. Performance on clinical vignettes was similar between the groups both at baseline (p = 0.19) and with access to information resources (p = 0.89).
Conclusions:
EBM teaching improved EBM knowledge and increased use of evidence-based resources by residents, but did not improve performance on Web-based clinical vignettes. Future studies will need to examine impact of EBM teaching on clinical outcomes.
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