---
title: 'Johns Hopkins Health System: TREWS provider-confirmed early warning'
slug: johns-hopkins-trews-sepsis
stable_id: 5df4a75ec00584bd
company: Johns Hopkins Health System
function_code: clinical_ops
pattern_codes:
  - creator_to_judge
evidence_strength: verified
publication_tier: showcase
freshness: current
reviewed_at: '2026-08-23'
updated_at: '2026-08-22'
source_quality_summary: 2 peer reviewed; publication outcomes are verified.
caveat_summary: Observational association despite adjustment.
collections:
  - human-still-decides
  - regulated-autonomy
bundle_version: 1.0.0
bundle_fingerprint: sha256:c23c6cc2b88153d008ea8fda928f632ce0011fc2d4c5036672a16e5d895bab93
canonical_url: https://brianletort.ai/transformations/johns-hopkins-trews-sepsis
---

# Johns Hopkins Health System: TREWS provider-confirmed early warning

An alert only changes care when a clinician confirms it quickly.

Function: Clinical operations. Patterns: Creator to judge. Evidence: verified.

Freshness: current. Reviewed: 2026-08-23. Updated: 2026-08-22.


Source quality: 2 peer reviewed; publication outcomes are verified.

## Before

1. **Bedside physician or advanced-practice provider** — Recognizes possible sepsis through ordinary EHR review and clinical presentation. (control: Clinical judgment; the study does not decompose a single conventional recognition queue.)
2. **Care team** — Orders antibiotics and other treatment when sepsis is recognized. (control: Human clinical authority and sepsis protocol.)

## After

1. **TREWS** — Continuously monitors EHR data and passively displays a clickable alert icon when criteria are met. (control: The provider may open, confirm, dismiss, or leave the alert unaddressed.)
2. **Bedside provider** — Evaluates the analysis and confirms or dismisses sepsis; timely confirmation initiates treatment sooner. (control: Provider retains diagnosis and treatment rights; three-hour response timing is the evaluated hinge.)

## Decision rights

Provider owns diagnosis and treatment.

## Exception path

Dismissed alerts remain under ordinary surveillance.

## Outcomes

- **Time to antibiotic** (verified): Late/dismissed/unaddressed alert → 1.85 hours earlier when confirmed within three hours. Observational association despite adjustment.

## Executive lesson

Adoption and response time are part of model performance.

## Anti-pattern

Do not present association as randomized causality.

## Questions for leaders

- Where is the operating threshold set and who can override it?
- What measured result would trigger rollback or retraining?
- Which residual decisions must remain human-owned?

## Sources

- [Factors driving provider adoption of TREWS](https://www.nature.com/articles/s41591-022-01895-z) — Nature Medicine
- [Prospective multi-site study of TREWS outcomes](https://www.nature.com/articles/s41591-022-01894-0) — Nature Medicine