Table 2. Characteristics of athletes with and without a history of concussion. Data presented as mean (standard deviation) or number (%).
| Variable | Concussion History (n=40) | No Concussion History (n=152) | P value |
|---|---|---|---|
| Age (Years) | 15.8 (1.0) | 15.2 (1.7) | 0.04 |
| Sex (Female) | 17 (43%) | 77 (51%) | 0.36 |
| Height (cm) | 169.8 (9.3) | 168.8 (12.5) | 0.64 |
| Weight (kg) | 65.0 (13.4) | 63.6 (16.6) | 0.63 |
| History of time-loss musculoskeletal injury | 27 (68%) | 48 (32%) | <0.001 |
| Lifetime history of collision or contact sport participation | 33 (83%) | 117 (77%) | 0.82 |
| Hours per week participating in organized sports | 11.9 (4.5) | 12.0 (5.1) | 0.93 |
| Competition level (Varsity athlete) | 16 (40%) | 52 (34%) | 0.50 |
cm: centimeters, kg: kilograms. Data were compared between groups using independent samples t-tests (continuous variables) or Chi square analyses (categorical variables).