Table 2:
Comparison of symptoms between normal and abnormal neuroimaging.
| Characteristics | Total (n=134) | Normal CT scan (n=62) | Abnormal CT scan (n=72) | OR (95% CI) | P-value |
|---|---|---|---|---|---|
| Age (years) median (IQR) | 5 (2, 8) | 4 (2, 7.5) | 5 (2.6, 8.7) | 0.2 | |
| Gender n(%) | |||||
| Male | 87 | 41 (47.1) | 46 (52.3) | 0.9 (0.7−1.3) | 0.772 |
| Female | 47 | 21 (44.7) | 26 (55.3) | 1.1 (0.7−1.9) | |
| Type of injury | |||||
| Hit by blunt object | 9 | 4 (44.4) | 5 (55.6) | ||
| Fall from ≥3 feet | 37 | 15 (40.5) | 22 (59.5) | ||
| Fall from <3 feet | 42 | 23 (54.8) | 19 (45.2) | ||
| RTA | 46 | 20 (43.5) | 26 (56.5) | ||
| Presence of any symptom | 121 | 55 (45.5) | 66 (54.5) | 1.2 (0.6−2.2) | 0.564 |
| Vomiting | |||||
| ≥3 episodes | 34 | 14 (41.2) | 20 (58.8) | 1.1 (0.8−1.6) | 0.491 |
| <3 episodes | 26 | 12 (46.2) | 14 (53.8) | 1 (0.7−1.5) | 0.99 |
| LOC | |||||
| ≥5 min | 25 | 13 (52) | 12 (48) | 0.8 (0.6–1.4) | 0.524 |
| <5 min | 13 | 6 (46.2) | 7 (53.8) | 1 (0.6–1.7) | 0.993 |
| Abrasions | 49 | 26 (53.1) | 23 (46.9) | 0.8 (0.6–1.2) | 0.231 |
| Ear/nosebleed or CSF | |||||
| otorrhea/rhinorrhea | 27 | 8 (29.6) | 19 (70.4) | 1.4 (1–1.9) | 0.05 |
| Both abrasions and any of ear/nosebleed or CSF otorrhea/rhinorrhea | 5 | 1 (20) | 4 (80) | 1.5 (1–2.4) | 0.23 |
| Seizures | 12 | 7 (58.3) | 5 (41.7) | 0.8 (0.4–1.5) | 0.38 |
| Focal deficits | 2 | 0 | 2 (100) | 1.9 (1.6–22) | 0.186 |
| Drowsiness | 10 | 3 (30) | 7 (70) | 1.3 (0.9–2.1) | 0.283 |
| Headache | 16 | 6 (37.5) | 10 (62.5) | 1.2 (0.8–1.8) | 0.453 |
| Giddiness | 3 | 2 (66.7) | 1 (33.3) | 0.6 (0.1–3) | 0.474 |
RTA: Road traffic accident, LOC: Loss of consciousness, OR: Odds ratio, CI: Confidence interval, CSF: Cerebrospinal fluid