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Self-Reported Symptoms (No. of Reports/No. in Group)
| Time | Concussion Group | Control Group |
| 48 h | Photosensitivity (2/3) | None |
| Headaches (2/3) | ||
| Nausea (2/3) | ||
| Dizziness (3/3) | ||
| Neck/back pain (1/3) | ||
| Vertigo (1/3) | ||
| 1 wk | Photosensitivity (1/3) | None |
| Headaches (2/3) | ||
| Dizziness (1/3) | ||
| Neck/back pain (1/3) | ||
| Vertigo (1/3) | ||
| 2wk | None | None |
