Table 2 Sections and variables in KiTBIR

1. Patient demographic information

Age, sex, area of residence, marital status, highest education, employment status

[4, 23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43]

2. Pre-hospital care

Care details included first aid and pre-hospital assessment, transport time, mode of arrival

[25, 29, 37, 39, 40]

3. Injury event information

Date and time of injury, place and activity of injury

[4, 23,24,25,26, 28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43]

4. Emergency room assessment and treatment

Vital signs, GCS, pre-existing conditions, suspicion of alcohol and substance use, lab and radiology investigations, patient management, respiratory support, ED disposition

[4, 23, 25,26,27,28,29,30,31,32,33,34,35,36,37, 39, 41]

5. Inpatient care

Surgical treatment, complications, ICU care

[23,24,25, 32, 34, 37, 39, 42]

6. Discharge

Discharge outcome, length of stay

[4, 23,24,25,26,27,28,29,30,31,32, 34,35,36,37,38,39,40,41,42,43,44,45,46]

Quality indicators

Duration between injury and arrival, time seen by neurosurgical team, date and time of intubation, ED length of stay, date and time of CT and surgical intervention

Injury and outcome measures

Revised trauma score, Kampala score, Glasgow outcome score; pre- and post-resuscitation GCS