Table 2

Demographic and injury characteristics of patients with and without ATC

ATC (n = 88)No ATC (n = 457)P value
AgeMedian age (range)7y (30d – 16y)7y (5d – 17y)0.7
Newborn, n (%)2 (2.3)17 (3.7)0.5
Infant, n (%)13 (14.8)56 (12.3)0.52
Toddler, n (%)12 (13.6)55 (12)0.68
Child, n (%)39 (44.3)201 (44)0.95
Adolescent, n (%)22 (25)128 (28)0.56
SexFemale, n (%)33 (38)152(33.3)0.96
RaceAmerican Indian or Alaskan Native, n (%)1 (1.1)2 (0.4)0.42
Asian, n (%)6 (6.8)32 (7)0.95
Black or African American, n (%)24 (27.3)80 (17.5)0.03
Native Hawaiian or Pacific Islander, n (%)0 (0)2 (0.4)0.53
White, n (%)50 (56.8)285 (62.4)0.33
Other, n (%)7 (8)56 (12.3)0.25
EthnicityHispanic, n (%)19 (21.6)127 (27.8)0.23
Trauma mechanismBlunt, n (%)73 (83)423 (92.6)0.04
Penetrating, n (%)10 (11.3)33 (7.2)0.19
Unknown, n (%)5 (5.7)1 (0.2)<0.001
ISSMedian ISS (range)25 (0–75)9 (0–38)<0.001
  • ATC is defined as an international normalized ratio ≥1.3. For breakdown by age newborns were 0 to 30 days old, infants were 31 to 364 days old, toddlers were 1 to 3 years old, children were 4 to 11 years old and adolescents were 12 to 18 years old.

  • ATC, acute traumatic coagulopathy; ISS, Injury Severity Score.