DAILY LEAD
Predicting, describing, or measuring? How to align model purpose with validity and applicability in critical care outcome research.
Observation and source date: 23 July 2026. This edition uses PubMed Date-Publication records; the matching arXiv submitted-date window returned no relevant new records.
A methods review argues that prediction, description and measurement are distinct critical-care modelling purposes that require purpose-specific validation, including calibration, net benefit and prospective external validation.
This is methodological guidance rather than a clinical-effectiveness trial of a new model.