Public Health Scotland (PHS) publishes monthly statistics relating to the number of cancelled planned operations at health board level, a summary of which is available the following link: https://www.publichealthscotland.scot/publications/cancelled-planned-operations/ The latest statistics published cover the period up to 30 November 2021 and the percentage of planned operations that were cancelled each month from March 2020 onwards can be found within the tab ‘Publication table (%)’ in the table below https://www.publichealthscotland.scot/media/11000/2022-01-11-cancellations.xlsx These statistics are sourced from local theatre systems and only includes cancellations that were cancelled the day before, or on the day the patient was due to be treated.