HES Accident and Emergency data for CPRD Aurum

CPRD Aurum linked Hospital Episode Statistics Accident and Emergency (HES A&E) data consists of individual records of patient care administered in the accident and emergency setting in England. These data are a subset of national A&E data collected by NHS England to monitor the national standard that 95% of patients attending A&E should wait no longer than 4 hours from arrival to admission, transfer or discharge. A&E data are submitted by A&E providers of all types in England. Data collected includes details about patients’ attendance, outcomes of attendance, waiting times, referral source, A&E diagnosis, A&E treatment (drugs prescribed not recorded), A&E investigations and Health Resource Group.
HES A&E may be used to clarify the health care pathway, to quantity health resource use and costs in the emergency setting, and to assess variations in the uptake of emergency services over time.

Only CPRD Aurum has been linked in the March 2026 update. As there were no currently contributing practices in England in CPRD Gold, patients were not eligible for linkage. The latest linked data available for CPRD Gold is the set 21 data. Further information is available at https://www.cprd.com/data/linked-data.