From: The epidemiology of mild traumatic brain injury: the Trondheim MTBI follow-up study
Variable | Enrolled | Not enrolled | p-value | ORa (95% CI) |
---|---|---|---|---|
n = 300 | n = 160 | |||
Age, Median [IQR] | 25 [20,43] | 25 [20,38] | 0.12 | |
Age, mean (SD) | 31.5 (13.3) | 29.4 (11.9) | NC | |
Male, n (%) | 195 (65) | 88 (55) | 0.036 | 0.66 (0.45–0.97) |
Injury cause, n (%) | ||||
Fall | 105 (35) | 58 (36) | 0.79 | 1.06 (0.71–1.58) |
Violence | 47 (16) | 41 (26) | 0.01 | 1.86 (1.16–2.97) |
Bicycle | 52 (17) | 17 (11) | 0.06 | 0.58 (0.32–1.04) |
Sport | 45 (15) | 16 (10) | 0.13 | 0.63 (0.34–1.15) |
Motor vehicle accident | 36 (12) | 18 (11) | 0.81 | 0.93 (0.51–1.70) |
Struck object | 10 (3) | 3 (2) | 0.48 | 0.62 (0.17–2.32) |
Other or unknown | 5 (2) | 7 (4) | 0.95 | 2.7 (0.84–8.65) |
Time of CT, n (%) | ||||
During weekend, Yes (%) | 163 (54) | 104 (65) | 0.027 | 1.56 (1.05–2-32) |
During night, Yes % | 130 (43) | 75 (47) | 0.47 | 1.15 (0.79–1.70) |
GCS score, n (%) | ||||
GCS score 15b | 216 (79) | 81 (82) | 0.53 | 1.21 (0.67–2.17) |
CT findings, n (%) | ||||
Intracranial lesions | 21 (7) | 7 (4) | 0.27 | 0.61b (0.25–1.46) |
Cranial fractures | 4 (1) | 0 | NC | |
Facial fractures | 18 (6) | 8 (5) | NC | |
Level of care, n (%) | ||||
Discharged home from ED | 184 (61) | 122 (76) | 0.001 | 0.49b (0.32–0.76) |