National Registries including the Australian Orthopaedic Association Naitonal Joint Registries
Many countries have National Registries that keep statistics about all orthopedic surgeries performed and medical devices used. They include excellent information about hip resurfacing results.
National Joint Replacement Registry of Australia
National Joint Registry of England, Wales and Northern Ireland
NZ Joint Registry
The National Registries are often long, technical and very detailed – but they provide a great deal of useful information.
AOA National Joint Replacement Registry Reports Website