There is a strong movement to share individual patient data for secondary purposes, particularly for research. A major obstacle to broad data sharing has been the concern for patient privacy. One of the methods for protecting the privacy of patients in accordance with privacy laws and regulations is to anonymise the data before it is shared. This article describes the key concepts and principles for anonymising health data while ensuring it remains suitable for meaningful analysis.
Senior Scientist, CHEO Research Institute Professor, Faculty of Medicine, University of Ottawa