Table 3.

Relative expression level of miRNA-21 in RT-PCR

	A	B	C	D
S1	0.2721	2.1670	0.2374	0.2011
S2	0.9586	0.2527	0.2604	0.2205
S3	2.2074	0.4192	0.4619	0.3966
S4	1.1559	0.8249	0.2364	0.6109
S5	0.5983	0.3297	0.5942	0.6025
S6	0.5634	0.1019	0.2545	0.2629
S7	2.1273	1.2945	0.3501	0.7521
S8	0.8136	0.5031	0.2709	0.3413
S9	1.0961	0.7452	0.7115	0.6252
S10	0.2072	0.5113	0.2610	0.3591
Mean expression	1.0000	0.7150	0.3638	0.4372

S1–S1010 samples of each group, A control group, B aneurysm without daughter aneurysm group, C aneurysm with daughter aneurysm group, D ruptured aneurysm group. p value is 0.021. Mean relatively expression levels of four groups are 1.0000, 0.7150, 0.3638, and 0.4372 from A to D, indicating that miRNA-21 of 3 experimental groups are downregulated