Abstract:
OBJECTIVE:To compare expert-generated textual summaries of physiological data with trend graphs, in terms of their ability to support neonatal Intensive Care Unit (ICU) staff in making decisions when presented with medical scenarios. METHODS:Forty neonatal ICU staff were recruited for the experiment, eight from each of five groups--junior, intermediate and senior nurses, junior and senior doctors. The participants were presented with medical scenarios on a computer screen, and asked to choose from a list of 18 possible actions those they thought were appropriate. Half of the scenarios were presented as trend graphs, while the other half were presented as passages of text. The textual summaries had been generated by two human experts and were intended to describe the physiological state of the patient over a short period of time (around 40 minutes) but not to interpret it. RESULTS:In terms of the content of responses there was a clear advantage for the Text condition, with participants tending to choose more of the appropriate actions when the information was presented as text rather than as graphs. In terms of the speed of response there was no difference between the Graphs and Text conditions. There was no significant difference between the staff groups in terms of speed or content of responses. In contrast to the objective measures of performance, the majority of participants reported a subjective preference for the Graphs condition. CONCLUSIONS:In this experimental task, participants performed better when presented with a textual summary of the medical scenario than when it was presented as a set of trend graphs. If the necessary algorithms could be developed that would allow computers automatically to generate descriptive summaries of physiological data, this could potentially be a useful feature of decision support tools in the intensive care unit.
journal_name
J Clin Monit Computjournal_title
Journal of clinical monitoring and computingauthors
Law AS,Freer Y,Hunter J,Logie RH,McIntosh N,Quinn Jdoi
10.1007/s10877-005-0879-3subject
Has Abstractpub_date
2005-06-01 00:00:00pages
183-94issue
3eissn
1387-1307issn
1573-2614journal_volume
19pub_type
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journal_title:Journal of clinical monitoring and computing
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journal_title:Journal of clinical monitoring and computing
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journal_title:Journal of clinical monitoring and computing
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journal_title:Journal of clinical monitoring and computing
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