Table 4

Regression model of cost of youth with minor to moderate injuries

Parameter estimateP valuePercentage change to cost
Patient factorsAge0.010.20
Female0.080.86
Black−0.040.41
Other race0.060.36
Hispanic*0.110.0411.4
Uninsured−0.040.58
Medicaid−0.030.45
Time*0.020.000216.1
ICISS−2.000.06
Overtriage*0.84<0.0001131.8
Nature of injuryFractures of the skull, neck, or trunk0.130.06
(Reference: other fractures)Internal injury*0.200.00122.0
Open wound0.090.36
Burns0.0040.99
Other injury*0.220.0224.4
Mechanisms of injuryCut−0.260.10
(Reference: falls)Fire0.080.78
Firearm*0.330.0338.4
Motor vehicle traffic*0.30<0.000135.5
Transport0.090.15
Natural/environmental−0.040.69
Struck by/against0.060.34
Other mechanism−0.090.50
Hospital factorsTeaching hospital*0.23<0.000125.5
(Reference: not for profit)For-profit hospital0.020.76
Public hospital−0.050.43
  • *Statistically significant at the α=0.05 level.

  • ICISS, ICD-9-CM Injury Severity Score.