Table 2

Prognostic variables of patient population

Variable
Thiopental (n = 22)
Pentobarbital (n = 22)
P

Admission GCS score
6.5 (3.0 to 7.2)
7 (4.7 to 10.0)
0.38
Out-of-hospital hypoxia (n)
5
7
0.63
Out-of-hospital hypotension (n)
5
4
1
Pupillary reactivity (n)a



     One reacting
3
5
0.66
     Both reactingb
12
14

Pre-enrolment CT (n)



     Diffuse injury without brain swelling
8
5
0.04
     Diffuse bilateral brain swelling
1
8

     Diffuse injury unilateral brain swelling with midline shift
5
1

     Any mass lesion evacuated
7
5

     Nonevacuated mass lesion
1
3


Admission GCS is expressed as median (interquartile range). aPupillary reactivity at hospital admission. bMiotic pupils were considered as reactive. CT, computed tomography; GCS, Glasgow Coma Scale.

Pérez-Bárcena et al. Critical Care 2008 12:R112   doi:10.1186/cc6999