Epidemiology of TBI

1. What is the peak age for TBI?
2. What is the most common cause of TBI in adolescents and adults?
3. What is the most common cause of TBI resulting in death?
4. What is the mortality rate of TBI?
5. What is the most common cause of TBI in the elderly?
6. What are common causes of TBI in children?

Answers:
1. Bimodal distribution. Highest peak ages 15-18 to 25 years. Second peak ages 65-75 with higher mortality.
2. MVA.
3. Gunshot wounds, which have a mortality risk of 75-80%.
4. 14-30 per 100,000 per year.
5. Falls.
6. TBI is the leading cause of death in kids >1. From most common to least common, the causes are: Transportation, falls, sports, assault.