1 Epidemiological Challenges

• Total population data
   
• Diagnostic changes influencing rates
   
• Incidence, prevalence and changes in survival
   
• Availability of “exposure” data to link to “occurrence” data

PREVALENCE OF CEREBRAL PALSY AND OTHER NEURODEVELOPMENTAL DISORDERS

L'AUGMENTATION DE L'INCIDENCE DES TROUBLES NEUROLOGIQUES D'ORIGINE PERINATALE
Professor Fiona Stanley, Institute for Child Health Research, Perth, Australia www.ichr.uwa.edu.au