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Prehospital NEWS predicts death despite low ED triage

Prehospital physiologic instability and in-hospital mortality among non-trauma patients with low-risk emergency department triage
Prehospital Emergency Care · Added 27 July 2026

Prehospital physiologic instability was associated with increased in-hospital mortality among patients classified as low risk at ED triage.

Study type

Cohort

Design

Retrospective multicentre cohort study

Participants

191,589 non-trauma adult EMS transports, of whom 86,069 low risk at ED triage (Seoul, Korea)

Main finding

Among ED low-risk patients, in-hospital mortality rose across prehospital NEWS categories (1.2% low, 2.4% medium, 6.8% high); adjusted odds of death were AOR 1.93 (95% CI 1.67-2.22) for medium and AOR 4.10 (95% CI 3.46-4.87) for high prehospital risk vs low

Caveat

Retrospective design in a single city's EMS system; association may be confounded

Bottom line

Hypothesis-generating

Learning goal

Strengthen my judgement on the risk prehospital physiology reveals in patients who appear low risk on ED triage.

More

• Topic: Other
• Daily scan: 27 July 2026

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