Less than 1%
All low-incidence, severe, and multiple disabilities combined probably affect what percentage of the population?
Estimates are that each year about what percentage of school-age children acquire a brain injury?
The prevalence of TBI has increased so much in recent years that it is now somtimes referred to as:
A. a high-incidence disability
B. a silent epidemic
C. a preventable epidemic
D. both A and B