| |
Clinical features |
| |
TBI Severity |
Glasgow Coma Scale (GCS) |
Loss of Consciousness (LOC) |
Post traumatic amnesia (PTA) |
Radiological evidence of injury |
Abbreviated Injury Score for head (AIS head) |
Neurological abnormality |
| Study methodology to support the recommendation |
Consensus [Servadei et al, 2001] [18] |
Mild |
14-15 in first 12 hours |
|
| Metanalysis [Stein et al, 2001] [20] |
14-15 |
| Narrative review [DeCuypere et al, 2012] [17] |
13-15 |
| Systematic review [Carroll et al., 2007] [3] |
13-15 at ≥30 minutes and, or |
Momentary to <30 minutes and, or |
Momentary to <24 hours and, or |
Intracranial lesion not requiring surgery and, or |
|
Transient abnormality (focal sign, seizures) |
| Analysis of dataset [Malec et al, 2007] [16] |
|
Depressed, basilar or linear skull fracture (intact dura) |
|
| Consensus [Servadei, 2001] [18] |
Moderate |
9-13 in first 12 hours |
|
| Metanalysis [Stein et al, 2001] [20] |
9-13 |
| Narrative review [DeCuypere et al, 2012] [17] |
9-12 |
| Analysis of dataset [Malec et al, 2007] [16] |
Moderate to severe |
Worst score in first 24 hours is <13 or death and, or |
≥30 minutes and, or |
≥24 hours and, or |
ICH, SDH, EDH, cerebral or haemorrhagic contusion, penetrating TBI, SAH, brain stem injury |
|
| Analysis of registry [Grote et al, 2011] [22] |
Severe |
|
≥3 |
|
Consensus [Servadei, 2001] [18];
Metanalysis [Stein et al, 2001] [20]; and
Narrative review [DeCuypere et al, 2012] [17] |
3-8 |
|
