Table 1

Demographic data for 203 children presenting to an urban trauma centre with dog bite injuries, and for 203 dogs reported to have bitten

VariableMean (SD) or (%)
Children (n=203)
 GenderMale55.2
Female44.8
 AgeMean; median7.2 years; 6.5 years
0–2 years20.7
3–6 years31.0
7–12 years35.5
12–17 years12.8
 Hospital admissionYes16.7
Injury severity score (ISS)
 ISS-185.4
 ISS-29.1
 ISS-32.5
 ISS-4+3.0
Anatomical site of bite injury*
 Face/head52.5
 Arm/hand32.3
 Leg/foot20.6
 Other7.0
Dogs
 SizeSmall23.9
Medium38.8
Large25.4
Very large11.9
 Breed**Mixed breed28.0
Pit bull type22.0 §
Rottweiler6.0
Labrador retriever5.0
Akita4.0
Cocker spaniel4.0
German shepherd3.0
Shih Tzu3.0
Boxer2.0
Bulldog2.0
Yorkshire terrier2.0
 SexMale73.3
Female26.7
 NeuteredYes43.0
No57.0
 AgeMean; median3.8 years; 3 years
  • Neutered status was not available for 92 subjects (44.9%); dog sex was not available for 28 subjects (12.2%). Other variables had no more than 10% missing data.

  • * Children may have been bitten in more than one anatomical site.

  • Percentage of purebred dogs.

  • Listed in the top 10 registered AKC breeds in Philadelphia (2008).10

  • § Not currently recognised by the AKC.

  • ** Breeds represented with frequency ≥ n=4.