Table Descriptive characteristics of baseline, recently concussed, and control groups
| Sample | N | Previous mTBIs | Age, y | Football | Hockey | Soccer | Basketball | Lacrosse | Rugby | Other | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | >1 | Mean | SD | |||||||||
| Baseline no hx = athlete with no history of mTBI; Baseline 1 mTBI = athlete with a history of 1 mTBI; Baseline >1 mTBI = athlete with a history of more than 1 mTBI; mTBI PC = recently concussed athlete with a history of previous concussion; mTBI NPC = recently concussed athlete with no previous history of concussion; control = athlete without a mTBI within the previous 6 months. | |||||||||||||
| Baseline no hx | 286 | 286 | 0 | 0 | 18.8 | 1.1 | 127 | 42 | 30 | 14 | 22 | 27 | 24 |
| Baseline 1 mTBI | 92 | 0 | 92 | 0 | 19.0 | 1.4 | 31 | 24 | 9 | 2 | 13 | 7 | 6 |
| Baseline >1 mTBI | 55 | 0 | 0 | 55 | 19.1 | 1.2 | 9 | 20 | 11 | 3 | 6 | 1 | 5 |
| mTBI PC | 30 | 0 | 17 | 13 | 20.2 | 1.5 | 11 | 12 | 1 | 3 | 0 | 3 | 0 |
| mTBI NPC | 27 | 27 | 0 | 0 | 20.2 | 1.6 | 12 | 9 | 2 | 1 | 2 | 0 | 1 |
| Control | 29 | 16 | 9 | 4 | 19.8 | 1.2 | 1 | 19 | 1 | 3 | 0 | 0 | 5 |