Effect of removing the 4-hour access standard in the ED: a retrospective observational study (Emergency Medicine Journal, June 2023)

Summary

Authors conducted a before and after, retrospective, observational study using anonymised, routinely collected, patient-level data from a single English NHS ED between April 2018 and December 2019. The primary outcomes of interest were the proportion of admitted patients, that is, the admission rate, the length of stay in the ED and ambulance handover times. They used interrupted time series models to study and estimate the impact of removing the 4-hour access standard.

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