Table 1

 Subject characteristics

Age (years)Height (cm)Weight (kg)No. of prior concussions*
Values are means (SE). Missed time cohort: n = 9 for concussed and matched controls; no missed time cohort: n = 5 for concussed and matched controls. *The number of prior concussions does not include the concussion sustained during the course of this study.
Missed time
    Concussed17.8 (0.5)179.4 (1.4)80.2 (4.1)2.0 (0.5)
    Matched controls18.7 (0.4)181.5 (1.6)76.5 (1.8)1.3 (0.5)
No missed time
    Concussed18.8 (0.8)181.3 (2.7)79.6 (2.21.8 (0.6)
    Matched controls19.0 (0.8)179.7 (2.5)81.0 (3.2)0.8 (0.6)