Table 4.
The individual breakdown of participant scores on the Emergency Department Concussion Assessment Tool*
| Variable | Reattended | No reattendance | P value |
| (n=3) | (n=37) | ||
| Step 2—orientation | – | – | – |
| Month (0–1) | 1 | 1.00 (1.00–1.00) | 1 |
| Date (0–1) | 0 | 1.00 (1.00–1.00) | 0.01 |
| Day (0–1) | 1 | 1.00 (1.00–1.00) | 0.776 |
| Year (0–1) | 1 | 1.00 (1.00–1.00) | 1 |
| Time (0–1) | 0 | 1.00 (1.00–1.00) | 0.021 |
| Step 3—immediate memory | – | – | – |
| First trial (0–5) | 5 | 4.00 (4.00–5.00) | 0.89 |
| Second trial (0–5) | 4 | 5.00 (5.00–5.00) | 0.058 |
| Third trial (0–5) | 4 | 5.00 (5.00–5.00) | 0.0185 |
| Step 4—symptom screen | – | – | – |
| Headache (0–6) | 5 | 3.00 (1.75–4.00) | 0.0492 |
| Pressure in head (0–6) | 5 | 2.00 (1.00–4.00) | 0.0298 |
| Neck pain (0–6) | 3 | 1.00 (0.00–3.00) | 0.0611 |
| Nausea or vomiting (0–6) | 3 | 1.00 (0.00–2.00) | 0.0145 |
| Dizziness (0–6) | 4 | 1.00 (0.00–3.00) | 0.0158 |
| Blurred vision (0–6) | 4 | 0.00 (0.00–0.25) | 0.0037 |
| Balance problems (0–6) | 4 | 0.00 (0.00–2.25) | 0.0193 |
| Sensitivity to light (0–6) | 4 | 0.00 (0.00–1.25) | 0.0017 |
| Sensitivity to noise (0–6) | 0 | 0.00 (0.00–1.25) | 0.8773 |
| Feeling slowed down (0–6) | 4 | 2.00 (0.00–4.00) | 0.0981 |
| Feeling like in a fog (0–6) | 3 | 0.00 (0.00–3.00) | 0.3786 |
| Don’t feel right (0–6) | 4 | 3.00 (0.75–4.00) | 0.5684 |
| Difficulty concentrating (0–6) | 4 | 2.00 (0.00–4.00) | 0.3988 |
| Difficulty remembering (0–6) | 2 | 0.00 (0.00–2.00) | 0.3926 |
| Fatigue or low energy (0–6) | 3 | 2.00 (0.00–4.00) | 0.1438 |
| Confusion (0–6) | 4 | 0.00 (0.00–2.00) | 0.003 |
| Drowsiness (0–6) | 5 | 2.00 (0.00–3.25) | 0.2178 |
| More emotional (0–6) | 3 | 1.00 (0.00–3.00) | 0.0535 |
| Irritability (0–6) | 4 | 0.00 (0.00–2.00) | 0.1241 |
| Sadness (0–6) | 0 | 0.00 (0.00–1.00) | 0.9262 |
| Nervous or anxious (0–6) | 0 | 0.00 (0.00–2.25) | 0.53 |
| Trouble falling asleep (0–6) | 0 | 0.00 (0.00–2.25) | 0.2958 |
| Symptoms were worse with physical activity, number (%) | |||
| Yes | 1 (33.3) | 4 (10.8) | – |
| No | 0 (0.0) | 7 (18.9) | |
| Unknown | 2 (66.7) | 26 (70.3) | |
| Symptoms were worse with mental activity, number (%) | |||
| Yes | 2 (66.7) | 17 (45.9) | – |
| No | 0 (0.0) | 12 (32.4) | |
| Unknown | 1 (33.3) | 8 (21.6) | |
| Step 5—balance examination | – | – | – |
| Double leg stance (0–10) | 0 | 10.00 (10.00–10.00) | 0.074 |
| Single leg stance (0–10) | 0 | 5.00 (0.00–8.00) | 0.731 |
| Tandem stance (0–10) | 0 | 7.00 (0.00–10.00) | 0.319 |
| Tandem gait (0–10) | 0 | 10.00 (0.00–10.00) | 0.396 |
*Values are medians (IQR) unless stated otherwise. No IQR could be generated for reattenders as the sample was too small. In brackets after variables that are scored are the potential scores available for that section.