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Table 1 Subjects’ concussion characteristics, number of HIRREM sessions, and post-HIRREM athletic participation status

From: A Preliminary Study of the Effectiveness of an Allostatic, Closed-Loop, Acoustic Stimulation Neurotechnology in the Treatment of Athletes with Persisting Post-concussion Symptoms

Gender

Age

Number of concussions and primary athletic involvement

Months since the last concussion

Number of HIRREM sessions

Days from the final HIRREM session to post-HIRREM data collection

Post-HIRREM activity and participation status

Female

23

7; soccer

6

23

0

FE, EC

Male

20

2; baseball

9

36

16

FE, RA

Female

20

4; soccer

4

19

5

FE, RA

Male

22

2; basketball

9

16

2

FE, RA

Female

15

1; gymnastics

6

18

12

FE, RA

Female

15

1; soccer

5

26

6

FE, RA

Male

17

2; snowboarding

6

13

10

FE, RA

Male

18

3; football

11

17

27

FE, TM

Male

16

6; basketball

2

22

0

FE, RA

Female

16

3; cheerleading

0.75

16

61

FE, RA

Male

14

4; soccer

0.5

15

25

FE, RA

Female

19

1; lacrosse

6

15

15

FE, TM

Male

18

1; football

0.5

16

37

FE, EC

Male

19

2; cycling

2

14

0

FE, RA

Female

19

2; basketball

1

15

77

FE, EC

  1. FE returned to full exercise, workouts, and recreational activity, RA returned to full participation in their athletic activity, TM transformed migraine with persisting mild daily headache, precluded return to competition, EC educational choice to not return to full participation in their athletic activity