Table 1: Characteristics of studies included in meta-analysis.
| First author (year) | Sample N mean age (± sd) | Sex | Sport | Groups | Concussion measurement |
| Baillargeon, et al. (2012) [5] | N = 96 9-12 = 11 (± 1.2) 13-16 = 14.8 (± 1.1) Adults = 23.3 (± 3.3) |
Male | S, H, F, R | Control = 48 Concussed = 48 |
American Academy of Neurology |
| Maugans, et al. (2012) [21] | N = 24 13.41 (sd not reported) |
Male, Female | S, F, W | Control = 12 Concussed = 12 |
Guidelines developed at the 3rd conference on sport concussions |
| McCrea, et al. (2010) [22] | N = 56 (age not reported) |
Male | F | Control = 28 Concussed = 28 |
American Academy of Neurology |
| Covassin, et al. (2010) [18] | N = 188 Males = 18.35 (± 2.77) Females = 18.29 (± 2.24) |
Male, Female | BB, SB, F, L, VB, B, S, G, R, W | Control = 50 Concussed = 138 |
Immediate Post-Concussion Assessment and Cognitive Testing |
| Colvin, et al. (2009) [33] | N = 234 Male = 16.3 (± 2.4) Female = 16.5 (± 2.4) |
Male, Female | S | Control = 101 Concussed = 133 |
American Academy of Neurology |
| Shuttleworth-Edwards, et al. (2008) [24] | N = 45 Concussed = 19.85 (± 1.46) Control = 23.39 (± 3.87) |
Male | R, CT, SW | Control = 18 Concussed = 27 |
Not Reported |
| Fazio, et al. (2007) [20] | N = 192 Concussed = 16.7 (sd not reported) Control = 17.3 (sd not reported) |
Male, Female | F, S, B, W, SW, TR, O | Control = 70 Concussed = 122 |
American Academy of Neurology |
| Ellemberg, et al. (2007) [19] | N = 22 22.7 (sd not reported) |
Female | S | Control = 12 Concussed = 10 |
American Academy of Neurology |
Note: F: Football; VB: Volleyball; L: Lacrosse; BB: Baseball; B: Basketball; S: Soccer; W: Wrestling; FH: Field Hockey; H: Hockey; SB: Softball; R: Rugby; C: Crew; G: Gymnastics; CT: Cricket; SW: Swimming; TR: Track; O: Other.