Table 2

 Prognostic factors of early death after severe head injury: results of multivariate analysis

VariableCoefficientStandard errorOR (95% CI)p ValuePoints*
*Each coefficient was divided by 1.18 and the quotient rounded to the nearest integer to determine the number of points assigned to that independent predictor.
Age (years ⩾65)1.290.483.62 (1.42 to 9.23)0.0071
Flaccidity1.940.406.93 (3.15 to 15.3)<0.0012
Decerebration1.240.373.44 (1.65 to 7.17)0.0011
Non-reactive bilateral mydriasis1.850.346.33 (3.25 to 12.3)<0.0012
Shock1.180.323.27 (1.76 to 6.07)<0.0011
Traumatic lesion type III2.030.557.64 (2.61 to 22.4)<0.0012
Traumatic lesion type IV3.200.7724.5 (5.36 to 112)<0.0013
Traumatic lesion type V1.370.543.92 (1.37 to 11.2)0.011
Traumatic lesion type VI4.170.9064.6 (11.0 to 379)<0.0014