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New landmark 4AT clinical implementation study

The research base: diagnostic accuracy, reviews, guidelines and routine practice.

New landmark 4AT clinical implementation study

Involving over 18,000 patients with hip fracture, the completion rate for the 4AT was 91%. A positive 4AT score (seen in 21% of patients) was predictive of key clinical outcomes, including mortality. Conducted nationally across multiple hospitals.

Further confirms that the 4AT can be successfully implemented at scale in routine clinical practice.

  1. Study: Delirium on presentation with a hip fracture is associated with adverse outcomes : a multicentre observational study of 18,040 patients using national clinical registry data. Penfold et al., Bone Joint Journal 2025 Apr 1;107-B(4):470-478.