Frequency of individual symptoms on the PCSS
| Symptoms | All (%) | Men (%) | Women (%) | NC (%) | PC (%) |
| Headache | 15 | 10 | 27 | 11 | 20 |
| Pressure in head | 10 | 9 | 13 | 7 | 16 |
| Neck pain | 20 | 17 | 27 | 17 | 26 |
| Balance problems or dizzy | 8 | 7 | 10 | 7 | 10 |
| Nausea or vomiting | 3 | 4 | 3 | 2 | 6 |
| Vision problems | 8 | 8 | 9 | 7 | 11 |
| Hearing problems or ringing | 7 | 6 | 9 | 6 | 8 |
| Don’t feel right | 9 | 5 | 19 | 7 | 13 |
| Feeling “dinged” or dazed | 5 | 3 | 9 | 4 | 6 |
| Confusion | 5 | 5 | 6 | 3 | 10 |
| Feeling slowed down | 9 | 7 | 14 | 6 | 15 |
| Feeling like “in a fog” | 3 | 1 | 7 | 3 | 2 |
| Drowsiness | 23 | 15 | 36 | 19 | 20 |
| Fatigue or low energy | 37 | 28 | 60 | 34 | 41 |
| More emotional than usual | 12 | 4 | 34 | 13 | 11 |
| Irritability | 15 | 12 | 23 | 16 | 14 |
| Difficulty concentrating | 18 | 15 | 26 | 16 | 23 |
| Difficulty remembering | 18 | 17 | 19 | 16 | 20 |
| Sadness | 5 | 4 | 7 | 2 | 9 |
| Nervous or anxious | 14 | 15 | 14 | 13 | 16 |
| Trouble falling asleep | 14 | 13 | 19 | 11 | 19 |
| Sleeping more than usual | 8 | 8 | 10 | 9 | 9 |
| Sensitivity to light | 5 | 6 | 3 | 4 | 9 |
| Sensitivity to noise | 4 | 4 | 3 | 4 | 4 |
| Other | 0 | 0 | 0 | 0 | 0 |
NC, never concussed; PC, previously concussed; PCSS, post-concussion symptom scale.