Search the entire Understanding Patient Data site Search Equal access to bowel cancer treatments in Yorkshire Using patient data to identify and improve areas of poor practice Demonstrating the safety of an anti-obesity medication Using data to ensure the safety of medications Monitoring joint replacement surgery Analysing registry data to improve performance and safety Comparing the uptake of emergency operations for heart attack across England Using registry data to examine rates of emergency coronary intervention across England Investigating trends in diabetes across ethnic groups Understanding why diabetes rates vary between ethnic groups