Characteristics of players according to the occurrence of concussion during total follow-up time
| Concussion (n=66) | No concussion (n=1599) | p Value | |
|---|---|---|---|
| Age (years) | 25.3±4.2 | 26.2±4.4 | 0.10 |
| Weight (kg) | 78.7±6.8 | 78.2±7.2 | 0.57 |
| Height (cm) | 183±7 | 182±6 | 0.27 |
| Mean number of injuries during total follow-up period | 11.5±8.6 | 5.0±5.2 | <0.001 |
| Mean number of injuries in the year preceding concussion or randomly selected injury | 1.8±1.6 | 0.9±1.4 | <0.001 |