Use of Enhanced Data Visualization to Improve Patient Judgments about Hypertension Control.

Medical Decision Making : an International Journal of the Society for Medical Decision Making
Victoria A ShafferRichelle J Koopman

Abstract

Objective. Uncontrolled hypertension is driven by clinical uncertainty around blood pressure data. This research sought to determine whether decision support-in the form of enhanced data visualization-could improve judgments about hypertension control. Methods. Participants (Internet sample of patients with hypertension) in 3 studies (N = 209) viewed graphs depicting blood pressure data for fictitious patients. For each graph, participants rated hypertension control, need for medication change, and perceived risk of heart attack and stroke. In study 3, participants also recalled the percentage of blood pressure measurements outside of the goal range. The graphs varied by systolic blood pressure mean and standard deviation, change in blood pressure values over time, and data visualization type. Results. In all 3 studies, data visualization type significantly affected judgments of hypertension control. In studies 1 and 2, perceived hypertension control was lower while perceived need for medication change and subjective perceptions of stroke and heart attack risk were higher for raw data displays compared with enhanced visualization that employed a smoothing function generated by the locally weighted smoothing algorithm. In genera...Continue Reading

References

Jul 1, 2006·Journal of General Internal Medicine·Brian J Zikmund-FisherPeter A Ubel
Jul 21, 2007·Medical Decision Making : an International Journal of the Society for Medical Decision Making·Angela FagerlinDylan M Smith
Nov 10, 2009·Behavior Research Methods·Franz FaulAlbert-Georg Lang
Jul 1, 2016·Medical Decision Making : an International Journal of the Society for Medical Decision Making
Mar 27, 2019·Journal of Medical Internet Research·Victoria Anne ShafferRichelle J Koopman

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Citations

Aug 7, 2021·BMC Medical Informatics and Decision Making·Pete WegierRichelle J Koopman

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LOWESS
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Qualtrics
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