Table 2.

Dynamics of serum MMP-9 levels at different time points in aortic dissection and sham control groups.

Groups, P value	0 d	1 d	3 d	5 d	7 d	14 d	21 d	30 d
Sham control group (n=5)	1.00±0.00	4.11±0.17#	6.23±0.11#	5.63±0.23#	2.01±0.12	1.02±0.02	1.02±0.02	1.01±0.01
Aortic dissection group (n=5)	1.00±0.00	5.21±0.32#	9.77±0.27#	15.2±0.41*#	21.86±0.52*#	18.35±0.76*#	17.77±0.63*#	19.21±0.35*#
P value	>0.05	0.08	0.06	<0.01	<0.01	<0.01	<0.01	<0.01

The sham control group vs. aortic dissection groups,

^*P<0.05, between different time points;

^#P<0.05 vs. basal level (0 d).