Table 2.  Coaches indications of concussive signs and symptoms.
 

Yes

No

Correct Response

Valovich-McLeod et al. (2007)

Drowsiness*

9

17

34.6%

Eating more than usual

0

26

100.0%

Hyperactivity

0

26

100.0%

Excitement

0

26

100.0%

Fatigue*

1

25

3.8%

Talking more than usual

0

26

100.0%

Difficulty Concentrating*

8

18

30.8%

Calmness

0

26

100.0%

Feeling Slowed Down*

6

20

23.1%

Feeling Mentally Foggy*

8

18

30.8%

Nausea*

8

18

30.8%

55.8%

Dizziness*

20

6

76.9%

88.5%

Difficulty Hearing

3

23

88.5%

Headache*

21

5

80.8%

77.6%

Frustration

0

26

100.0%

Impatient

0

26

100.0%

Nervousness*

1

25

3.8%

Sleeping More Than Usual*

2

24

7.7%

12.8%

Elation

0

26

100.0%

Confusion*

16

10

61.5%

89.0%

Loss of Consciousness*

4

19

82.6%

42.3%

* indicates a sign or symptom commonly associated with concussion.