The analysis shows that in 2007, in Cardiff, where this collaborative approach was pioneered, the scheme lopped off almost £7 million from health, societal, and criminal justice costs caused by violence.
The estimated individual and societal costs of violence recorded by the police in England and Wales in 2003-4 came to £14 billion.
The Cardiff Violence Prevention Programme, which was set up in 2003, entails the capture of anonymised information on violent incidents treated in hospital emergency departments.