Table 1:

Subject demographics across Ohio TBI Scores²³ (n = 56)

Ohio TBI Score	Sex		Age (yr)			Blood on GRE	Nonvisualized Brain
Ohio TBI Score	Male	Female	Mean Age	SD	Age Range	Blood on GRE	on mQSM	on pQSM
All	34	22	42.1	14.42778	20–74	10	31	5
1 (none)	13	9	41.7	14.6878	20–74	1	13	3
2 (mild)	2	2	44.0	15.71623	27–58	1	3	0
3 (mild)	8	5	47.0	14.94434	30–71	4	8	1
4 (moderate)	2	1	45.7	13.50309	32–59	0	1	0
5 (severe)	9	5	37.9	13.96621	23–64	4	5	1
Correlation across TBI severity	χ² = 0.17, P = .98^{^a}		ANOVA F(3,52) = 0.74, P = .53			P = .11^{^b}	χ² = 2.20, P = .53^{^a}	P = .88^{^b}
Correlation with blood products on 3D GRE	χ² = 0.04, P = .86^{^a}		P = .49^{^c}			–	χ² = 2.99, P = .08^{^a}	P = .10^{^b}