| Category | Research team ranking | Participant group ranking |
| Attention/concentration deficit | 1 | = 6 |
| Amnesia/memory problem | 2 | 2 |
| Headache | 3 | 10 |
| Dizziness/gait−balance instability | 4 | 3 |
| Visual blurring (blurred vision) | 5 | 9 |
| Nausea and/or vomiting | 6 | = 6 |
| Loss/impaired consciousness | 7 | 1 |
| Unequal pupils | 8 | 4 |
| Double vision | 9 | 8 |
| Limb weakness | 10 | 5 |
Categories ranked in order of importance (1, most important; 10, least important)