TABLE B1.

Mean and standard deviation (SD) of metabolite concentrations in mmol/l for total N‐acetyl Aspartate (tNAA), total Creatine (tCr), total Choline (tCho), Glx (Glu + Gln), and mI (Glycine+Inositol) in each group (Concussion and OI).

	Concussion	OI
tNAA (mmol/L ± SD)	8.77 ± 1.67	9.13 ± 1.58
tCr (mmol/L ± SD)	6.41 ± 0.692	6.48 ± 0.732
tCho (mmol/L ± SD)	1.55 ± 0.296	1.62 ± 0.309
mI (mmol/L ± SD)	4.33 ± 0.980	4.50 ± 1.13
Glx (mmol/L ± SD)	10.35 ± 2.76	10.7 ± 2.77

Abbreviation: OI, orthopedic injury.