Table 2:
Summary of CT findings
| Characteristic | No ECI (n=29) | ECI (n=18) | p-value* |
|---|---|---|---|
| Mean (SD)/Count (%) | Mean (SD)/Count (%) | ||
| Skull fracture | 13 (44.8) | 8 (53.3) | 0.59 |
| Displaced | 2 (15.4) | 2 (25.0) | 0.59 |
| ICH | |||
| Subdural | 14 (48.3) | 9 (50.0) | 0.91 |
| Size (mm) | 4 (1.85) | 8.57 (9.64) | 0.21 |
| Epidural | 7 (24.1) | 2 (11.1) | 0.27 |
| Size (mm) | 10.1 (6.9) | 12 (7.1) | 0.61 |
| SAH | 16 (55.2) | 12 (66.7) | 0.44 |
| Trace | 13 (44.8) | 10 (55.6) | 0.73 |
| Localized | 0 (0.0) | 0 (0.0) | |
| Scattered | 3 (10.3) | 2 (11.1) | |
| IPH | 5 (17.2) | 0 (0) | 0.06 |
| Max Size (mm) | 6 | -- | |
| 1 Location | 3 | 0 | |
| 2 Locations | 1 | 0 | |
| 3+ Locations | 0 | 0 | |
| IVH | 0 (0) | 1 (5.6) | 0.20 |
| Scoring | |||
| Rotterdam score (median/IQR) | 2 (1–3) | 2.5 (1–4) | 0.06 |
| BIG category | |||
| 1 | 7 (24.1) | 7 (38.9) | 0.28 |
| 2 | 12 (41.4) | 3 (16.7) | 0.08 |
| 3 | 10 (34.5) | 8 (44.4) | 0.59 |
| Repeat CT head | |||
| Performed (yes) | 19 (65.5) | 14 (77.8) | 0.37 |
| No new findings | 12 (41.4) | 12 (66.7) | 0.09 |
| Increased size of hemorrhage | 6 (20.7) | 1 (5.6) | 0.16 |
| New type of hemorrhage | 2 6.9) | 1 (5.6) | 0.86 |
CT (computed tomography), ECI (early cognitive impairment), SD (standard deviation), ICH (intracranial hemorrhage), SDH (subdural hemorrhage), EDH (epidural hemorrhage), SAH (subarachnoid hemorrhage), IPH (intraparenchymal hemorrhage), IQR (interquartile range), BIG (Brain Injury Guidelines)
*
P values were calculated for each continuous variable using Wilcoxon rank sum tests (Rotterdam score). P values for categorial variables were reported using Pearson’s χ2 (remaining variables).