Table 1.

Patient demographics

Age, years, mean ± SD (min–max)	54.6 ± 23.3 (20–89)
Gender
Male	21 (51.2)
Female	20 (48.8)
GCS on admission
15	36 (87.8)
14	4 (9.8)
13	1 (2.4)
Mechanism of injury
Fall	25 (61.0)
Motor vehicle accident	12 (29.3)
Other (e.g. assault, collision)	4 (9.8)
Indication for MRI
a) Unexplained clinical symptoms	9 (22.0)
b) Elevated S-100B concentration	26 (63.4)
c) Combination of (a) and (b)	6 (14.6)
Outcome
Admitted for observation	11 (26.8)
Discharged	30 (73.2)

GCS, Glasgow Coma Scale; max, maximum; min, minimum; SD, standard deviation.

Data are number (%) of patients, unless otherwise stated.