Table 2

Univariate and multivariate analysis for mortality

VariableUnivariateMultivariate
OR (95% CI)P valueOR (95% CI)P value
Age (every 10-year increment)1.5 (1.4 to 2.4)0.021.2 (1.1 to 3.5)0.04
GenderMaleReference
Female0.9 (0.6 to 3.1)0.68----
RaceWhiteReference
Non-white1.3 (1.0 to 2.4)0.151.2 (0.6 to 2.9)0.51
Mechanism of injuryBluntReference
Penetrating2.3 (1.8 to 3.1)0.012.2 (1.6 to 3.5)0.02
ISS (increase every 5 points)1.7 (1.3 to 2.9)0.021.3 (1.2 to 3.5)0.03
Body region AISAIS <3Reference
AIS >32.9 (1.9 to 3.5)0.012.5 (2.0 to 3.6)0.01
ED VitalsNo shockReference
Shock2.5 (1.5 to 3.1)0.012.1 (1.8 to 3.5)0.01
Anticoagulant use1.9 (1.0 to 2.6)0.161.6 (0.9 to 3.2)0.56
Designation of trauma centerLevel IIIReference
Level II0.8 (0.7 to 1.9)0.21----
Level I0.7 (0.6 to 0.9)0.010.8 (0.6 to 0.9)0.04
1 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----1.3 (0.7 to 1.9)0.56
2 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----0.9 (0.3 to 1.5)0.61
3 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----1.2 (0.7 to 1.7)0.59
4 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----0.8 (0.7 to 0.9)0.03
5 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----0.7 (0.6 to 0.8)0.2
6 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----0.8 (0.7 to 0.9)0.04
7 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----0.7 (0.6 to 0.8)0.03
8 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----0.6 (0.1 to 1.1)0.82
9 PRBCPRBC aloneReference
PRBC alone + FFP/platelet----0.7 (0.2 to 1.2)0.79
  • AIS, Abbreviated Injury Scale; ED, emergency department; FFP, fresh frozen plasma; ISS, Injury Severity Score; PRBC, packed red blood cell.