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Table 1 Characteristics of patients presenting to the ED with mild traumatic brain injury and univariate analysis according to the presence of intracranial lesion

From: Cutaneous impact location: a new tool to predict intracranial lesion among the elderly with mild traumatic brain injury?

  Population
(N = 365)
Intracranial lesion
(N = 26)
No intracranial lesion
(N = 339)
p-value
Age (years, SD) 86.5 (8.5) 86.8 (8.6) 86.4 (8.5) 0.80
 Age < 75 (n, %) 41 (11.2) 2 (7.7) 39 (11.5)  
 Age ≥ 75 (n, %) 324 (88.8) 24 (92.3) 300 (88.5) 0.55
Gender, female (n, %) 244 (66.8) 22 (84.6) 222 (65.5) 0.05
Residence (n, %)
 Nursing home 144 (39.5) 10 (38.5) 134 (39.5) 0.92
 Home, with relatives 115 (31.5) 9 (34.6) 106 (31.3) 0.72
 Home, alone 106 (29.0) 7 (26.9) 99 (29.2) 0.81
Antiplatelets (n, %)
 Aspirin 112 (30.7) 11 (42.3) 101 (29.8) 0.18
 Clopidogrel 27 (7.4) 1 (3.8) 26 (7.7) 0.40
 Aspirin + Clopidogrel 2 (0.55) 0 (0) 2 (0.59) 0.86
Anticoagulant (n, %)
 Warfarin 60 (16.4) 5 (19.2) 55 (16.2) 0.69
 Direct oral anticoagulant 61 (16.7) 3 (11.5) 58 (17.1) 0.34
 Subcutaneous anticoagulant 7 (1.9) 1 (3.8) 6 (1.8) 0.40
Psychoactive drug (n, %)
 Benzodiazepine 100 (27.4) 10 (38.4) 90 (26.5) 0.19
 Antidepressant 65 (17.8) 8 (30.8) 57 (16.8) 0.07
 Neuroleptic 18 (4.9) 0 (0.0) 18 (5.3) 0.25
 Antiepileptic 11 (3.0) 0 (0.0) 11 (3.2) 0.43
History
 Cognitive impairment (n, %) 126 (34.5) 9 (34.6) 117 (34.5) 0.99
 Clinical Frailty Scale (mean, SD) 4.6 (1.6) 4.9 (1.7) 4.6 (1.6) 0.33
 Neurosurgical intervention 10 (2.7) 0 (0.0) 10 (2.9) 0.47