Table 1.

The $p$ value of GFAP (+) expression between groups of normal, at 1 to 6 weeks postsoft window installation.

GFAP	Normal	1 week	2 weeks	3 weeks	4 weeks	5 weeks	6 weeks
Normal		$<0.001$	$<0.001$	0.002	0.014	0.284	1
		***	***	**	*	NS	NS
1 week	$<0.001$		1	1	1	0.384	$<0.001$
	***		NS	NS	NS	NS	***
2 weeks	$<0.001$	1		1	1	0.162	$<0.001$
	***	NS		NS	NS	NS	***
3 weeks	0.002	1	1		1	1	0.001
	**	NS	NS		NS	NS	**
4 weeks	0.014	1	1	1		1	0.005
	*	NS	NS	NS		NS	**
5 weeks	0.284	0.384	0.162	1	1		0.117
	NS	NS	NS	NS	NS		NS
6 weeks	1	$<0.001$	$<0.001$	0.001	0.005	0.117
	NS	***	***	**	**	NS

Note: NS, not significant.

^*$p<0.05$.

^**$p<0.01$.

^***$p<0.001$.