Table 1.

Demographics

	SRC athletes, n = 21	Controls, n = 21
Male sex, % (n), p = 0.346	67% (14)	52%, (11)
Age, mean (SD), p = 0.404	26 (6.5) years	25 (4.2) years
Sports (n)	Ice hockey (7), soccer (4), karate (4), handball (2), indoor hockey (2), wrestling (1), and endurance riding (1)	Running, weightlifting, cycling, and swimming
Years of sports practice, mean (SD)	18 (5) years	-
Number of SRCs, mean (range)	5 (1–20)	-
Age at first SRC, mean (SD)	18 (5) years	-
Time from first SRC, mean (SD)	9 (7) years	-
Time from last SRC, mean (SD)	2.5 (3) years	-

Demographics of athletes with sports-related concussion (SRC) and controls.

Demographic details on the 42 participants of the present study—21 athletes with SRC and 21 athletic controls; the majority were males and of young age. The sports that the athletes with SRC were involved in are listed in declining order; because controls usually were involved in multiple athletic activities specific numbers are not listed. SD, standard deviation.