Search the entire Understanding Patient Data site Search Extending the UK flu vaccination programme to children Using surveillance data to demonstrate the benefits of vaccinating children against flu 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 Using data to plan services for people living with and beyond cancer Using patient data to look at what happens to someone after receiving a cancer diagnosis Comparing cancer survival rates worldwide Using cancer registries to examine cancer survival variation between countries Assessing a new treatment for severe asthma Evaluating the safety of a new treatment through real world clinical data Investigating trends in diabetes across ethnic groups Understanding why diabetes rates vary between ethnic groups