Fact · Dictation for work and study
11.5percent of reviewed notes with a hallucination
In the UC Davis pilot, hallucinations, meaning content the recording did not support, appeared in 11.5 percent of the 356 reviewed notes, the second most common error after omissions.
Checked against its source on October 16, 2026
In the source's own words
“accidental omissions were the most frequent error (n=64, 18%), followed by hallucinations (n=41, 11.5%), and accidental inclusions (n=33, 9.3%)”
Quality of Clinical Notes Created by Ambient Listening Generative AI: Pragmatic Prospective Pilot Study, Taylor SL et al., JMIR Medical Informatics, 2026, Results.
Open the original (DOI 10.2196/86474)- What it measures
- Hallucination is the study's own category, from the physician survey on four error types, which the authors defined as part of the instrument.
- What it does not show
- Physician reports on a survey, not a line-by-line audit against the recording. The count is of notes, from 356 reviewed.
Source
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