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Table 3 Body regions injured among motorcycle operators seen in the emergency department or admitted to the hospital

From: Motorcycle helmet effectiveness in reducing head, face and brain injuries by state and helmet law

  Emergency department Hospital
Body region Partial Universal P-value Partial Universal P-value
  N = 11,261 N = 18,057   N = 4,197 N = 8,456  
Head and Neck 32 % 18 % <0.01 51 % 41 % <0.01
 Traumatic Brain Injury 8 % 5 % <0.01 34 % 29 % <0.01
Spine and Back 10 % 9 % 0.17 18 % 18 % 0.36
Torso 22 % 20 % 0.32 48 % 47 % 0.24
Extremities 72 % 74 % <0.01 76 % 79 % <0.01
Other and Unspecified 25 % 23 % <0.01 11 % 11 % 0.22
  1. Multiple body regions per motorcyclist were included
  2. P-values are from likelihood ratio tests of homogeneity comparing universal vs. partial helmet law states