Table 1

Characteristics of patients with blunt cerebrovascular injuries stratified by Biffl grade

CharacteristicBiffl grade; no. (%) of patients*
1–2
n = 97
3
n = 26
4
n = 63
Age, mean ± SD, yr44.4 ± 20.244.7 ± 17.455.2 ± 18.5
Injury Severity Score, mean ± SD28.4 ± 14.530.3 ± 13.026.9 ± 18.0
Gender
 Male63 (65)17 (65)47 (75)
 Female34 (35)9 (35)16 (25)
Mechanism of injury
 Motor vehicle collision36 (37)7 (27)17 (27)
 Motorcycle collision6 (6)7 (27)6 (10)
 Pedestrian accident16 (16)2 (8)6 (10)
 Fall from height25 (26)6 (23)24 (38)
 Other14 (14)4 (15)10 (16)
  • SD = standard deviation.

  • * Except where noted otherwise.

  • Includes all-terrain vehicle accidents, bicycle accidents, snow sport accidents, assaults, axial load injuries, surfing accident and crush injuries.