Prognosis

Traumatic

Patients are at increased risk of dying if they have  ^a

• a haematoma on CT 
• neither pupil reacting 
• old age 
• a low Glasgow Coma Scale 
• a high Injury Severity Score   

Why?

Bleeding on CT, no pupil reaction, increasing age and a low GCS predict mortality

Patient	Prognostic Factor	Outcome	CER	OR (95% CI)	NNF+ (95% CI)
severe head injury a	neither pupil reacting independent	death at 12 months	23.4%	0.168 (0.06 to 0.50)	5 (5 to 10)
	age (per 5 years)			0.545 (0.43 to 0.69)
	injury severity score (per 5 units)			0.737 (0.60 to 0.91)
	no visible			3.53 (1.43 to 8.73)	-4 (-14 to -2)
	haematoma on CT GCS total (per unit)			1.31 (1.12 to 1.53)