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Table 1 Characteristics of patients with traumatic brain injury according to presence or not of intracranial bleeding on CT scan
| CT group - | CT group + | p-value | |
|---|---|---|---|
| Patient, N | 267 | 26 | |
| Sex | |||
| Women, n (%) | 145 (54%) | 11 (52%) | 0.24 |
| Age, mean +/− sd | 80+/−11.1 | 80+/−10.5 | 0.98 |
| > 65 years, n (%) | 237 (88%) | 24 (92%) | 0.75 |
| > 75 years, n (%) | 209 (78%) | 19 (73%) | 0.54 |
| Medical history, n (%) | |||
| Stroke | 61 (22%) | 8 (32%) | 0.30 |
| Cancer | 36 (13%) | 4 (15%) | 0.76 |
| Major bleeding | 9 (3%) | 4 (15%) | 0.02 |
| Risk of falling | 149 (55%) | 19 (73%) | 0.10 |
| Renal or hepatic failure | 69 (25%) | 5 (19%) | 0.45 |
| Hypertension | 158 (63%) | 18 (75%) | 0.24 |
| Antiplatelet, n (%) | |||
| ASA alone | 199 (74.5%) | 17 (65.4%) | 0.31 |
| Clopidogrel alone | 46 (17.2%) | 4 (15.4%) | 0.81 |
| ASA + clopidogrel | 18 (6%) | 5 (19%) | 0.04 |
| ASA + anti-Gp2b3a | 4 (1.5%) | 0 (0%) | 1 |
| Clinical characteristics, n (%) | |||
| High-energy trauma | 35 (13%) | 5 (19%) | 0.37 |
| Alcohol | 13 (4%) | 0 (0%) | 0.61 |
| Loss of consciousness or amnesia | 103 (38.5%) | 19 (73%) | < 0.001 |
| Headache or vomiting | 26 (9.7%) | 9 (34.6%) | < 0.001 |
| Glasgow coma scale, median (IQR) | 15 [15–15] | 14 [13–15] | < 0.001 |
| Biological characteristics, n (%) | |||
| Anemia | 67 (27%) | 8 (30%) | 0.68 |
| Thrombocytopenia | 23 (9%) | 2 (8%) | 1 |
| CrCl ml/min, median (IQR) | 66 [51–84] | 65 [52–77] | 0.72 |
