Table 1 Comparision of patients found to have a tICH on head CT compared to patients with no tICH found on head CT
Overall, N = 2111 | No tICH on CT, N = 1949 | tICH on CT, N = 162 | p-value | |
|---|---|---|---|---|
Gender | 0.9 | |||
Female | 1170 (55%) | 1081 (55%) | 89 (55%) | |
Male | 941 (44%) | 868 (45%) | 73 (45%) | |
Age | 83.00 (75, 89) | 83.00 (74, 89) | 82.00 (75, 88) | 0.6 |
Ethnicity | 0.038 | |||
Not stated | 319 (17%) | 287 (17%) | 32 (24%) | |
Other ethnic backgrounds | 13 (0.7%) | 12 (0.7%) | 1 (0.7%) | |
White British | 1499 (81%) | 1402 (81%) | 97 (72%) | |
White other | 26 (1.4%) | 22 (1.3%) | 4 (3.0%) | |
Unknown | 255 | 227 | 28 | |
Priority | < 0.001 | |||
Category 1 | 50 (2.4%) | 37 (1.9%) | 13 (8.0%) | |
Category 2 | 924 (44%) | 843 (43%) | 81 (50%) | |
Category 3 | 1108 (53%) | 1042 (54%) | 66 (41%) | |
Category 4 | 25 (1.2%) | 23 (1.2%) | 2 (1.2%) | |
Unknown | 4 | 4 | 0 | |
Mechanism of injury | < 0.001 | |||
Fall | 1907 (90%) | 1781 (91%) | 126 (78%) | |
Fall > 2 m | 87 (4.1%) | 65 (3.3%) | 22 (14%) | |
Not reported | 27 (1.3%) | 21 (1.1%) | 6 (3.7) | |
Other | 67 (3.2%) | 62 (3.2%) | 5 (3.1%) | |
RTC | 23 (1.1%) | 20 (1.0%) | 3 (1.9%) | |
Preinjury medications | ||||
Aspirin | 297 (15%) | 267 (15%) | 30 (20%) | 0.09 |
Clopidogrel | 193 (9.1%) | 169 (8.7%) | 24 (15%) | 0.009 |
DOAC | 585 (28%) | 553 (28%) | 32 (20%) | 0.018 |
Warfarin | 158 (7.5%) | 153 (7.9%) | 5 (3.1%) | 0.027 |
Preinjury comorbidities | ||||
Alcohol dependence | 60 (2.8%) | 55 (2.8%) | 5 (3.1%) | 0.8 |
Alzheimer's disease | 111 (5.3%) | 105 (5.4%) | 6 (3.1%) | 0.4 |
Atrial fibrillation | 459 (22%) | 432 (22%) | 27 (17%) | 0.1 |
CKD | 85 (4.0%) | 75 (3.8%) | 10 (6.3%) | 0.15 |
COPD | 173 (8.2%) | 156 (8.0%) | 17 (10%) | 0.3 |
Dementia | 401 (19%) | 369 (19%) | 32 (20%) | 0.8 |
Diabetes Mellites | 302 (14%) | 282 (15%) | 20 (12%) | 0.5 |
Heart failure | 96 (4.5%) | 91 (4.7%) | 5 (3.1%) | 0.4 |
Hypertension | 706 (33%) | 667 (34%) | 39 (24%) | 0.009 |
Ischemic heart disease | 49 (2.3%) | 46 (2.4%) | 3 (1.9%) | > 0.9 |
Myocardial infarction | 95 (4.5%) | 75 (3.8%) | 20 (12%) | < 0.001 |
Stroke | 189 (9.0%) | 182 (9.3%) | 7 (4.3%) | 0.032 |
Clinical assessment | ||||
Abnormal GCS | 243 (12%) | 200 (10%) | 43 (27%) | < 0.001 |
Focal neurological deficit | 802 (38%) | 715 (37%) | 87 (54%) | < 0.001 |
Head injury present | 1608 (76%) | 1485 (76%) | 123 (76%) | < 0.9 |
Hospital Admission | ||||
Acute Assessment Unit | 104 (4.9%) | 84 (4.3%) | 20 (12%) | |
Acute Medicine | 234 (11%) | 207 (11%) | 27 (17%) | |
Cardiology | 1 (< 0.1%) | 1 (< 0.1%) | 0 (0%) | |
Discharged | 1421 (68%) | 1411 (73%) | 6 (3.8%) | |
General Medicine | 89 (4.2%) | 77 (4.0%) | 12 (7.5%) | |
General Surgery | 67 (3.2%) | 12 (0.6%) | 55 (34%) | |
Geriatric Medicine | 90 (4.3%) | 81 (4.2%) | 9 (5.6%) | |
Intensive Care | 10 (0.5%) | 3 (0.2%) | 7 (4.4%) | |
Neurosurgery | 4 (0.2%) | 3 (0.2%) | 1 (0.6%) | |
Orthopaedic | 19 (0.9%) | 14 (0.7%) | 5 (3.1%) | |
Other | 21 (1.0%) | 19 (1.0%) | 2 (1.3%) | |
Transfer—Neuro | 5 (0.2%) | 0 (0%) | 5 (3.1%) | |
Transfer—Other | 15 (0.7%) | 9 (0.5%) | 6 (3.8%) | |
Trauma and Orthopaedics | 25 (1.2%) | 20 (1.0%) | 5 (3.1%) | |
Unknown | 6 | 4 | 2 |