Diffuse brain injury (DBI) is the most common TBI. Epidemiological investigation shows DBI comprises 73% of the total serious brain injuries in road accidents.

• 弥漫性脑损伤(Diffuse brain injury，DBI)在TBI中占有重要地位，流行病学调查显示DBI占交通伤后重型脑创伤的73%25。