Table 2.

Changes in matrix metalloproteinase-9 (MMP-9) after admission according to the treatment groups.

MMP-9	Butylphthalide group (n = 46)	Conventional treatment group (n = 24)	p-value
Day 1	374.02 ± 115.12	360.10 ± 121.99	0.639
Day 3	291.84 ± 105.47	289.96 ± 91.68	0.941
Day 6	111.85 (89.51, 174.83)	187.71 ± 65.25	0.001
Δ Day 1–Day 6	243.84 ± 94.05	172.39 ± 77.01	0.002
Day 1 vs. 3	0.02	0.086	/
Day 3 vs. 6	<0.001	<0.001	/
Day 1 vs. 6	<0.001	<0.001	/