Table 3.
Time | Concussion Group (n = 39)a | Control Group (n = 39)a | t76 Value | P Valueb | Cohen d Effect Size |
---|---|---|---|---|---|
Date of injury to day 0c | 41.5 ± 11.4 | 28.1 ± 7.4 | 6.19 | <.001 | 1.40 |
Day 0 to 5d | 35.6 ± 13.3 | 27.2 ± 8.7 | 3.36 | .001 | 0.76 |
Day 5 to full medical clearance | 31.4 ± 9.9 | 26.3 ± 7.8 | 2.47 | .02 | 0.56 |
Values are mean ± SD.
Post hoc tests compared state anxiety scores between groups at each time (P < .05).
Day 0 indicates within 72 h of injury.
Day 5 indicates 5 days (±1 day) postenrollment.