Table 1.

Demographics

	Control	mTBI	p-value Control vs mTBI a	Low Symptom mTBI	High Symptom mTBI	p-value High vs Low Symptom b
N	30	41		15	26
Age (yrs)	38.67 ± 18.11	43.68 ± 16.98	0.236	41.80 ± 20.38	44.77 ± 14.98	0.627
Education (yrs)	15.10 ± 2.02	14.32 ± 2.72	0.192	15.27 ± 2.94	13.77 ± 2.49	0.090
GCS	NA	14.73 ± 0.59	NA	14.87 ± 0.35	14.65 ± 0.69	0.199
Gender (M)	16	30	0.086	13	17	0.146
Positive CT	NA	9 (22.0%)	NA	4 (26.7%)	5 (19.2%)	0.591
Days Since Injury Initial	NA	7.66 ± 2.36	NA	6.67 ± 2.58	8.23 ± 2.07	0.039**
Days Since Injury 1 month	NA	36.00 ± 8.18	NA	39.20 ± 10.96	34.15 ± 5.49	0.113
MMSE Initial	29.80 ± 0.61	29.28 ± 0.82	0.003**	29.43 ± 0.76	29.19 ± 0.85	0.389
MMSE 1 month	29.40 ± 0.93	29.34 ± 1.02	0.805	29.60 ± 0.63	29.19 ± 1.17	0.155
MACE Initial	27.40 ±1.85	25.93 ± 4.22	0.053	26.67 ± 1.50	25.48 ± 5.21	0.294
MACE 1 month	28.07 ± 1.58	27.02 ± 3.51	0.099	27.13 ± 2.59	26.96 ± 4.00	0.883
DRS 1 month	NA	0.41 ± 0.91	NA	0.03 ± 0.13	0.63 ± 1.09	0.010**
GOSE 1 month	NA	6.71 ± 1.72	NA	7.40 ± 1.12	6.31 ± 1.89	0.026**

^aBased on t-tests between control and mTBI groups.

^bBased on t-tests between high symptom mTBI and low symptom mTBI groups.