Table 3

Comparison of initial GCS between young and older patients by type of traumatic brain injury and severity (abbreviated injury score (AIS))

Age under 65Age 65 or older
Intracranial injury typeAIS headNMedian (IQR) GCSNMedian (IQR) GCSp Value
Extradural haematoma3
432314 (10–15)11415 (14–15)<0.001
516214 (8–15)3214 (11.5–15)0.356
Subdural haematoma3
451114 (10–15)116615 (14–15)<0.001
521712 (5–15)62314 (12–15)<0.001
Contusion380614 (9–15)35815 (13–15)<0.001
41114 (8–15)814 (11.5–15)0.84
52512 (6–15)1013 (11–14)0.788
Subarachnoid haemorrhage336114 (11–15)47015 (14–15)<0.001
4
5
Diffuse axonal injury3
454 (3–8)0N/A
5807 (5–10)913 (7–15)0.04
Multiple/mixed320714 (10–15)15314 (13–15)<0.001*
455914 (9–15)63814 (13–15)<0.001*
524410 (5–14)25913 (9–15)<0.001
  • *Significance is due to distribution/spread.

  • N/A, no cases for comparison.