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. 2017 Sep 27;7(9):e017848. doi: 10.1136/bmjopen-2017-017848
Duration between mild TBI and outcome assessment Assessments
(n=48 outcomes) (n, %)
7 days 3 (6.3)
14 days 6 (12.5)
1 month 6 (12.5)
1.1–3 months 11 (23)
3.1–6 months 11 (23)
6.1–12 months 6 (12.5)
12.1–18 months 4 (8.2)
>18.1 months 1 (2)

GOS, Glasgow Outcome Scale; GOS-E, Glasgow Outcome Scale-Extended; RHFUQ, Rivermead Head Injury Follow-up Questionnaire; SF-36, Acute Medical Outcomes F6-36v2 Health Survey; TBI, traumatic brain injury.