Composite score control (n=40) | Concussed (n=40) | ||
---|---|---|---|
Baseline | Postinjury | Baseline | |
ImPACT | |||
Verbal memory | 89.0 (8.56) | 86.6 (10.21) | 85.6 (8.21) |
Visual memory | 79.9 (12.78) | 72.3 (13.26) * | 75.9 (10.49) |
Visual motor speed | 36.7 (7.50) | 37.3 (6.83) | 37.0 (6.68) |
Reaction time | 0.57 (0.09) | 0.60 (0.10) | 0.58 (0.07) |
Total symptom score | 1.3 (1.62) | 12.7 (12.11)*‡ | 0.65 (1.55) |
SOT | |||
Composite | 82.8 (4.06) | 83.1 (5.27) | 84.1 (3.61) |
Somatosensory ratio | 96.7 (2.75) | 96.6 (4.86) | 96.2 (2.44) |
Visual ratio | 93.7 (3.86) | 93.8 (5.70) | 92.1 (12.18) |
Vestibular ratio | 77.9 (7.04) | 88.9 (8.88)*† | 79.1 (8.05) |
HIS-r | |||
Symptom severity | 0 (0.00) | 21.2 (15.47)*‡ | 0 (0.00) |
Symptom duration | 0.03 (0.16) | 19.2 (14.61)*‡ | 0 (0.00) |
*p≤0.05 for the paired t test comparing baseline to postinjury assessments for participants diagnosed with a SC.
†p≤0.05. ‡p≤0.001 and when comparing concussed participants to healthy controls.
ImPACT, Immediate Postconcussion Assessment and Cognitive Test; SC, sport concussion.