Table 1 Prognostic factors being investigated
Factors from systematic review | Type of data | Factors from NICE guidelines | Type of data | Factors from TARN TBI/trauma model | Type of data |
|---|---|---|---|---|---|
Age | Continuous | 1st neurological examination in ED | Categorical | Admission Hb | Continuous |
Sex | Categorical | Equal pupils 1st examination | Categorical | Admission platelets | Continuous |
Pre-injury anti-coagulant use | Categorical | Both pupils reactive 1st examination | Categorical | Charlson Trauma Modified Comorbidity Index | Continuous |
Pre-injury anti-platelet use | Categorical | SIGN of skull fracture 1st examination | Categorical | Admission BM | Continuous |
GCS on arrival to ED | Categorical | Seizures in ED | Categorical | Frailty score | Continuous |
BP on arrival ED | Continuous | Vomiting in ED | Categorical | ||
HAIS | Continuous | An occupant ejected from a motor vehicle | Categorical | ||
Marshall Classification | Categorical | Mechanism of injury | Categorical | ||
Single injury | Categorical | Amnesia | Categorical | ||
Comment on midline shift | Categorical | Intoxicated EToH time of injury | Categorical | ||
Comment on size of bleed | Seizures before arrival ED | Categorical | |||
Additional injuries | Categorical | Vomiting before arrival ED | Categorical | ||
Sats on arrival ED | Continuous | A pedestrian or cyclist struck by a motor vehicle | Categorical | ||
A fall from height of > 1 m or 5 stairs | Categorical |