Chicago-based Northwestern Medicine radiologists used a generative AI system — designed in-house by Northwestern engineers — to boost documentation efficiency by 15.5%, according to a study published June 5 in JAMA Network Open.  The system was utilized across Northwestern Medicine’s 12-hospital network on about 23,960 radiographs analyzed between Nov. 15, 2023, and April 24, 2024. 

Here are five things to know from the study:

The radiograph interpretations were split into two equal groups, half having been developed with AI-assistance.

AI-assisted interpretations took an average of 159.8 seconds while interpretations without AI-assistance took an average of 189.2 seconds.

AI-assisted interpretations were 29.4 seconds faster on average, resulting in a 15.5% increase in documen

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