Evaluation of a flowchart-based EHR query system: A case study of RetroGuide

  title={Evaluation of a flowchart-based EHR query system: A case study of RetroGuide},
  author={Vojtech Huser and Scott P. Narus and Roberto A. Rocha},
  journal={Journal of biomedical informatics},
  volume={43 1},
Provision of query systems which are intuitive for non-experts has been recognized as an important informatics challenge. We developed a prototype of a flowchart-based analytical framework called RetroGuide that enables non-experts to formulate query tasks using a step-based, patient-centered paradigm inspired by workflow technology. We present results of the evaluation of RetroGuide in comparison to Structured Query Language (SQL) in laboratory settings using a mixed method design. We asked 18… CONTINUE READING
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