Fig. 1From: Head injury in older adults presenting to the ambulance service: who do we convey to the emergency department, and what clinical variables are associated with an intracranial bleed? A retrospective case–control studyPatient flow depicting how many cases were matched and reasons for exclusion of cases. DGH, District General Hospital; HCP, Healthcare professional; MTC, Major trauma centre; TBI, Traumatic brain injury; TU, trauma unitBack to article page