Table 1. Detection of GFAP in Human Plasma Using Simoa.

		GFAP concentration (pg/mL)					95% CI (pg/mL)
sample group	sample no	test 1	test 2	mean	CV%	P value	upper limit	lower limit
healthy control	PS0	0	0	0	0	N/A	0	0
TBI patient	PS1	39	33	36	11.0	0.0529	0	74
TBI patient	PS2	1822	1792	1807	1.2	0.0053	1616	1997
TBI patient	PS3	4206	4484	4345	4.5	0.0204	2578	6111
TBI patient	PS4	9978	10 437	10 108	4.6	0.0143	7291	13 123
TBI patient	PS5	26 516	22 673	23 094	2.6	0.0496	179	49 009
TBI patient	PS6	55 883	56 965	56 424	1.4	0.0061	49 549	63 298