Table III.

Predictive variables used in model development

GCS score

Injury mechanism

Amnesia of event

History of loss of consciousness

History of seizure

When seizure occurred

Seizure duration

Headache

History of emesis

Intubated during examination

Paralyzed during examination

Pharmacologically sedated during examination

Altered mental status: agitated

Altered mental status: sleepy

Altered mental status: slow to respond

Altered mental status: repetitive questioning in ED

Altered mental status: other signs

Bulging fontanelle

Scalp hematoma

Size of hematoma

Injury above clavicle

Neurologic deficit

Sensory deficit

Cranial nerve deficit

Reflex abnormality

Non-head injury

Suspicion for intoxication

Sex

Observed in ED