TABLE 2.

Participant demographics and clinical characteristics.

	SCG n = 26	HCG n = 20	p‐value
Age in years, mean (SD)	15.3 (1.2)	15.9 (1.4)	0.152
Sex, n (%) male	15 males (57.5%)	12 males (60%)	0.875
Height in meters, mean (SD)	1.72 (0.14)	1.68 (0.12)	0.432
Weight in kilogram, mean (SD)	69.37 (13.09)	67.22 (12.89)	0.563
Days between V1 and V2, mean (SD)	31 (17)	41 (8)	0.055
Days between injury and V1, mean (SD)	7 (2)	‐	‐
Previous Concussion, n (%)			0.003
0	8 (30.8%)	17 (85.0%)
1	13 (50.0%)	1 (5.0%)
2	3 (11.5%)	1 (5.0%)
3	2 (7.7%)	1 (5.0%)
Total symptom severity, mean (SD)	24.8 (3.1)	0.8 (3.0)	< 0.001
Physical symptom severity, mean (SD)	10.5 (1.2)	0.3 (1.1)	< 0.001
Cognitive symptom severity, mean (SD)	8.7 (1.3)	0.2 (0.9)	< 0.001
Affective symptom severity, mean (SD)	2.5 (0.7)	0.1 (0.3)	< 0.001
Fatigue symptom severity, mean (SD)	3.1 (0.6)	0.2 (0.9)	< 0.001

Note: Bolded values indicate a significant finding.

Abbreviation: HCG: healthy control group; SCG: sport concussion group; SD: standard deviation; V1: visit 1; V2: visit 2.