Data for the current year is updated on a monthly basis as the latest data are received (typically 3 months in arrears).
The figure presented are the average for the year to date. Please be aware that there is typically month by month variation in data, reflecting variation in the incidence and outcomes of cardiac arrest. Early and mid year data should therefore be interpreted with caution.
A final figure will be published once all data for the year has been received.
*Prior to 2021, survival was measured at discharge from emergency care. From 2021, this was changed to survival at 30 days post-OHCA.