Table 1 Characteristics of the population, the mechanism of head trauma and the medication taken.
Total population N = 155 | CT positive n = 8 | CT negative n = 147 | p | |
|---|---|---|---|---|
Characteristics of the population | ||||
Age years old [IQR] | 82 [75–87] | 88 [83–92] | 79 [74–97] | < 0.01 |
Gender | ||||
Female n (%) | 71 (45,8) | 3 (2) | 68 (44) | 0.72 |
Male n (%) | 84 (54,2) | 5 (3) | 79 (51) | |
Head trauma mechanism | ||||
Road traffic accident n (%) | 11 (7) | 0 (0) | 11 (7) | 0.79 |
Ground-level fall n (%) | 128 (83) | 7 (5) | 121 (78) | |
Fall from a high height n (%) | 11 (7) | 1 (0) | 10 (6) | |
Other n (%) | 5 (3) | 0 (0) | 5 (3) | |
Symptoms | ||||
Stigma of head trauma n (%) | 119 (77) | 7 (5) | 112 (72) | 0.22 |
Vomiting n (%) | 1 (0) | 0 (0) | 1 (0) | |
Initial altered mental status n (%) | 13 (8) | 3 (2) | 10 (6) | |
Convulsion n (%) | 1 (0) | 0 (0) | 1 (0) | |
Headache n (%) | 60 (39) | 5 (3) | 55 (35) | |
Initial loss of consciousness n (%) | 17 (11) | 3 (2) | 14 (9) | |
Treatment | ||||
Antiplatelet agents n (%) | 100 (65) | 4 (3) | 96 (62) | 0.71 |
Aspirin n (%) | 81 (52) | 4 (3) | 77 (50) | 0.95 |
Ticagrelor n (%) | 1 (0) | 0 (0) | 1 (0) | 0.46 |
Clopidogrel n (%) | 14 (9) | 0 (0) | 14 (9) | 0.49 |
Aspirin + clopidogrel n (%) | 3 (2) | 0 (0) | 3 (2) | 0.47 |
Aspirin + ticagrelor n (%) | 1 (0) | 0 (0) | 1 (0) | 0.47 |
Anticoagulant n (%) | 59 (38) | 4 (3) | 55 (35) | 0.47 |
Fluindione n (%) | 13 (8) | 1 (0) | 12 (8) | 0.91 |
Warfarin n (%) | 3 (2) | 0 (0) | 3 (2) | 0.47 |
Rivaroxaban n (%) | 17 (11) | 1 (0) | 16 (10) | 0.51 |
Apixaban n (%) | 26 (17) | 2 (1) | 24 (15) | 0.54 |
