Perioperative medicine & outcomes

Real‐world deployment and evaluation of PEri ‐operative AI CHatbot ( PEACH ): a large language model chatbot for peri‐operative medicine

AnaesthesiaPublished Evaluation study of a large language model chatbot

Authors' conclusion

PEACH is an accurate, adaptable tool that enhances consistency and efficiency in peri-operative decision-making.

Study context

Population
Real-world peri-operative clinical queries
Participants
240 real-world clinical iterations
Outcome
Accuracy vs institutional guidelines and expert consensus
Methodological detailssilent deployment with real-world data
  • Silent deployment with real-world data

Main finding

As reported in the abstract

Accuracy

First-generation accuracy (78/80)

97.5%

Overall accuracy across three iterations (232/240)

96.7%

Accuracy of updated PEACH (235/240) vs null hypothesis of 95% accuracy, p = 0.018

97.9%

Further findings

Usability

Clinicians noted PEACH expedited decisions
95%

Inter-rater reliability (κ) between three iterations

PEACH κ
0.772 and 0.893
Experienced peri-operative physicians κ
0.610 and 0.784

Safety

Hallucinations
1/240
Deviations
2/240
  • Minimal

Original publication

Real‐world deployment and evaluation of PEri ‐operative AI CHatbot ( PEACH ): a large language model chatbot for peri‐operative medicine. Anaesthesia. Published 19 September 2025. doi:10.1111/anae.16755

Composed by AI from the published abstract and checked against it. How Briefs are made →

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