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Table 1: 
Patient demographics and mechanisms of injury by case group
CharacteristicCases (n = 36)Controls (n = 50)
Age (range) (mean) (yr)18–75 (38.7)18–73 (41.5)
Sex
 Male2936
 Female714
Mechanism of injury
 Motor vehicle collision2625
 Motorcycle collision51
 Fall from heighta38
 All-terrain vehicle accident20
 Motor vehicle vs pedestrian07
 Assault04
 Fall from standing03
 Fall from horse01
 Bicycle accident01
  • ↵a Fall from height = (>10 ft, 3.048 m).