Table 2 Specific symptoms of PCS at 1 week and 1 month follow-up
From: Who gets post-concussion syndrome? An emergency department-based prospective analysis
|  | 1 week follow-up (n = 405) | 1 month follow-up (n = 265) | |||
|---|---|---|---|---|---|
n | % of cohort | n | % of cohort (n = 265) | % of total cohort (n = 405) | |
Headache | 112 | 27 | 16 | 6 | 4 |
Nausea | 36 | 9 | 11 | 4 | 3 |
Vomiting | 14 | 3 | 6 | 2 | 1 |
Balance problems/dizziness | 65 | 16 | 26 | 10 | 6 |
Tinnitus | 18 | 4 | 14 | 5 | 3 |
Sensitivity to light/noise | 55 | 13 | 12 | 5 | 3 |
Blurred vision/diplopia/flashing lights | 41 | 10 | 14 | 5 | 3 |
Numbness/tingling | 57 | 14 | 15 | Â | 4 |
Drowsiness | 40 | 10 | 14 | 5 | 3 |
Fatigue/lethargy | 69 | 17 | 38 | 14 | 9 |
Sadness/depression | 41 | 10 | 29 | 11 | 7 |
Nervousness/irritation | 54 | 13 | 33 | 12 | 8 |
Sleeping more than usual | 38 | 9 | 24 | 9 | 6 |
Trouble falling asleep | 76 | 18 | 42 | 16 | 10 |
Feeling ‘slowed down’ | 52 | 13 | 30 | 11 | 7 |
Feeling ‘in a fog’ or dazed | 69 | 8 | 21 | 8 | 5 |
Difficulty remembering | 65 | 16 | 40 | 15 | 10 |
Difficulty concentrating | 52 | 13 | 38 | 14 | 9 |
Driving before? | 411 | 100 | 267 | n/a | 66 |
Driving after? | 204 | 61 | 176 | 66 | 43 |