Table 1.

Differences between Recovered and Not Recovered Groups (Chi-Square Tests with False Discovery Rate Adjustment)

Test	p value
Felt limited in school/work at the time of the questionnaire	<10−4*
Perceived impact of index concussion on lives	0.001*
Complying with do not return to play guidelines	0.006*
Felt limited in school/work at the time of index concussion	0.009**
Self-reported mononucleosis before concussion	0.011**
Self-reported depression after concussion	0.015**
Found medication effective	0.024**
Found vestibular repositioning effective	0.029**
Found psychotherapy effective	0.149
Self-reported ADD/ADHD before concussion	0.234
Self-reported learning disability after concussion	0.266
Self-reported depression before concussion	0.305
Self-reported mononucleosis after concussion	0.477
Self-reported migraines after concussion	0.489
Self-reported learning disability before concussion	0.49
Had thoughts of/attempted suicide before concussion	0.49
Self-reported anxiety after concussion	0.553
Sex	0.558
Cause of injury (sport-related vs. non-sports-related)	0.577
Self-reported anxiety before concussion	0.64
Experiencing a subsequent concussion	0.68
Self-reported ADD/ADHD after concussion	0.747
Found physiotherapy effective	0.75
Found chiropractic manipulation effective	0.811
Had thoughts of/attempted suicide after concussion	0.889
Self-reported migraines before concussion	0.937
Found occupational therapy effective	1

^*Significant at p ≤ 0.05 under false discovery rate correction.

^**Trending toward significance at p ≤ 0.10 under false discovery rate correction.

ADD, attention deficit disorder; ADHD, attention deficit hyperactivity disorder.