Doctors' intuition linked to number of imaging tests ordered
Mohammad M. Ghassemi, Ph.D., from the Massachusetts Institute of Technology in Boston, and colleagues used 10 years of electronic medical record data to examine the role of doctors' intuition by assessing the correlation between provider sentiment and utilization of diagnostic imaging. Daily positive/negative sentiment scores of written provider notes were extracted from medical records from 60,000 intensive care unit (ICU) patients. Their correlation with the total number of daily imaging reports was estimated.
The researchers found that negative sentiment correlated with increased utilization of imaging after adjustment for confounding factors. The association with sentiment was strongest at the start of the ICU stay. The presence of any form of sentiment increased the use of diagnostic imaging up to a critical threshold.
"Clearly the physicians are using something that is not in the data to drive part of their decision making," a coauthor said in a statement. "What's important is that some of those unseen effects are reflected by their sentiment."
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