J Am Med Inform Assoc - Evaluation of a pictograph enhancement system for patient instruction: a recall study.

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Resumo

JECTIVE: We developed a novel computer application called Glyph that automatically converts text to sets of illustrations using natural language processing and computer graphics techniques to provide high quality pictographs for health communication. In this study, we evaluated the ability of the Glyph system to illustrate a set of actual patient instructions, and tested patient recall of the original and Glyph illustrated instructions.METHODS: We used Glyph to illustrate 49 patient instructions representing 10 different discharge templates from the University of Utah Cardiology Service. 84 participants were recruited through convenience sampling. To test the recall of illustrated versus non-illustrated instructions, participants were asked to review and then recall a set questionnaires that contained five pictograph-enhanced and five non-pictograph-enhanced items.RESULTS: The mean score without pictographs was 0.47 (SD 0.23), or 47% recall. With pictographs, this mean score increased to 0.52 (SD 0.22), or 52% recall. In a multivariable mixed effects linear regression model, this 0.05 mean increase was statistically significant (95% CI 0.03 to 0.06, p<0.001).DISCUSSION: In our study, the presence of Glyph pictographs improved discharge instruction recall (p<0.001). Education, age, and English as first language were associated with better instruction recall and transcription.CONCLUSIONS: Automated illustration is a novel approach to improve the comprehension and recall of discharge instructions. Our results showed a statistically significant in recall with automated illustrations. Subjects with no-colleague education and younger subjects appeared to benefit more from the illustrations than others.

Resumo Limpo

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