Table 2

Median values (with 25th and 75th centiles) of the time interval between the trauma, the start of monitoring, the end of monitoring, and the time of valid monitoring

VariableGroup 1: ICP/CPP guided (n=40)Group 2: Ptio2 guided (n=53)p Value*
*Mann-Whitney U test.
ICP, intracranial pressure; CPP, cerebral perfusion pressure; Ptio2, partial pressure of brain tissue oxygen.
Monitoring start (hours after trauma)22.0 (10.3, 39.5)12.9 (8.2, 20.3)0.02
Monitoring end (hours after trauma)164.0 (109.0, 244.8)150.3 (77.3, 246.8)0.40
Monitoring duration (min)7265 (4801, 10 340)7660 (3834, 10 606)0.91