Table 2.
Median scores for the SCAT3 components and 22 symptoms reported at both baseline and postconcussion
| Baseline | Postconcussion | Wilcoxon signed-rank sum test | ||
|---|---|---|---|---|
| Median | Median | Frequency of negative change (%) | Z | |
| Number of symptoms | 0 | 11 | 95.5 | −8.001*** |
| Symptom severity | 0 | 23 | 95.5 | −7.954*** |
| Headache | 0 | 3 | 84.1 | −7.526*** |
| Pressure in head | 0 | 2 | 80.5 | −7.320*** |
| Neck pain | 0 | 1 | 51.1 | −5.718*** |
| Nausea/vomiting | 0 | 0 | 32.2 | −4.409*** |
| Dizziness | 0 | 1 | 62.5 | −6.224*** |
| Blurred vision | 0 | 0 | 38.6 | −5.008*** |
| Balance problems | 0 | 0 | 39.8 | −4.646*** |
| Sensitivity to light | 0 | 1 | 46.6 | −5.263*** |
| Sensitivity to noise | 0 | 0 | 38.6 | −4.798*** |
| Feeling slowed down | 0 | 2 | 65.9 | −6.621*** |
| Feeling in a fog | 0 | 1 | 53.4 | −6.044*** |
| Don’t feel right | 0 | 2 | 70.5 | −6.880*** |
| Difficulty concentrating | 0 | 1 | 52.3 | −5.797*** |
| Difficulty remembering | 0 | 0 | 33 | −4.282*** |
| Fatigue/low energy | 0 | 1 | 56.8 | −5.088*** |
| Confusion | 0 | 0 | 37.5 | −5.048*** |
| Drowsiness | 0 | 1 | 44.3 | −5.065*** |
| Trouble falling asleep | 0 | 0 | 15.9 | −1.232NS |
| More emotional | 0 | 0 | 33 | −3.181*** |
| Irritability | 0 | 0 | 26.1 | −3.181*** |
| Sadness | 0 | 0 | 25.3 | −3.577*** |
| Nervous/anxious | 0 | 0 | 30.7 | −2.470* |
| SAC | 27 | 26 | 57 | −2.063* |
| Orientation | 5 | 5 | 18.2 | −3.012** |
| Immediate memory | 15 | 15 | 21.6 | −0.328NS |
| Concentration | 3.5 | 4 | 35.2 | −0.306NS |
| Delayed recall | 4 | 3 | 53.5 | −3.472*** |
| m-BESS | 3 | 4 | 52.6 | −2.036* |
| Tandem gait | 10.2 | 11.4 | 54.5 | −2.078* |
| Coordination | 1 | 1 | 9.4 | −1.291NS |
Wilcoxon signed-rank sum test results.
*P<0.05, **p<0.01, ***p<0.001.
m-BESS, modified Balance Error Scoring System; NS, non-significant; SAC, Sideline Assessment of Concussion; SCAT3, Sport Concussion Assessment Tool 3.