Geva Vashitz
Ben-Gurion University of the Negev
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Featured researches published by Geva Vashitz.
Journal of General Internal Medicine | 2012
Geva Vashitz; Joseph S. Pliskin; Yisrael Parmet; Yona Kosashvili; Gal Ifergane; Shlomo Wientroub; Nadav Davidovitch
BackgroundSecond medical opinions have become commonplace and even mandatory in some health-care systems, as variations in diagnosis, treatment or prognosis may emerge among physicians.ObjectiveTo evaluate whether physicians’ judgment is affected by another medical opinion given to a patient.DesignOrthopedic surgeons and neurologists filled out questionnaires presenting eight hypothetical clinical scenarios with suggested treatments. One group of physicians (in each specialty) was told what the other physician’s opinion was (study group), and the other group was not told what it was (control group).ParticipantsA convenience sample of 332 physicians in Israel: 172 orthopedic surgeons (45.9% of their population) and 160 neurologists (64.0% of their population).MeasurementsScoring was by choice of less or more interventional treatment in the scenarios. We used χ2 tests and repeated measures ANOVA to compare these scores between the two groups. We also fitted a cumulative ordinal regression to account for the dependence within each physician’s responses.ResultsOrthopedic surgeons in the study group chose a more interventionist treatment when the other physician suggested an intervention than those in the control group [F (1, 170) = 4.6, p = 0.03; OR = 1.437, 95% CI 1.115-1.852]. Evaluating this effect separately in each scenario showed that in four out of the eight scenarios, they chose a more interventional treatment when the other physician suggested an intervention (scenario 1, p = 0.039; scenario 2, p < 0.001; scenario 3, p = 0.033; scenario 6, p < 0.001). These effects were insignificant among the neurologists [F (1,158) = 0.44, p = 0.51; OR = 1.087, 95% CI 0.811-1.458]. In both specialties there were no differences in responses by level of clinical experience [orthopedic surgeons: F (2, 166) = 0.752, p = 0.473; neurologists: F (2,154) = 1.951, p = 0.146].ConclusionsThe exploratory survey showed that in some cases physicians’ judgments may be affected by other physicians’ opinions, but unaffected in other cases. Weighing previous opinions may yield a more informed clinical decision, yet physicians may be unintentionally influenced by previous opinions. Second opinion has the potential to improve the clinical decision-making processes, and mechanisms are needed to reconcile discrepant opinions.
Transportation Research Part F-traffic Psychology and Behaviour | 2008
Geva Vashitz; David Shinar; Yuval Blum
Journal of Biomedical Informatics | 2009
Geva Vashitz; Joachim Meyer; Yisrael Parmet; Roni Peleg; Dan Goldfarb; Avi Porath; Harel Gilutz
Family Practice | 2011
Geva Vashitz; Joachim Meyer; Yisrael Parmet; Yaakov Henkin; Roni Peleg; Harel Gilutz
Harefuah | 2011
Geva Vashitz; Nadav Davidovitch; Joseph S. Pliskin
Cognition, Technology & Work | 2011
Geva Vashitz; Mark E. Nunnally; Yuval Bitan; Yisrael Parmet; Michael F. O’Connor; Richard I. Cook
american medical informatics association annual symposium | 2007
Geva Vashitz; Joachim Meyer; Harel Gilutz
Cognition, Technology & Work | 2013
Geva Vashitz; Mark E. Nunnally; Yisrael Parmet; Yuval Bitan; Michael O'Connor; Richard I. Cook
Israel Medical Association Journal | 2011
Geva Vashitz; Joachim Meyer; Yisrael Parmet; Yaakov Henkin; Roni Peleg; Nicky Liebermann; Harel Gilutz
Proceedings of the Human Factors and Ergonomics Society Annual Meeting | 2004
Geva Vashitz; Joachim Meyer; Avi Porath; Julian Zelingher; Dan Y. Bonneh; Yaakov Henkin; Maximo Maislos; Roni Peleg; Harel Gilutz