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Table 4 MMP-9, COX-2, and TIMP-1 expression (in arbitrary units of band densitometry, normalized by β-actin expression), across the groups

From: Assessment of MMP-9, TIMP-1, and COX-2 in normal tissue and in advanced symptomatic and asymptomatic carotid plaques

Variable

Group

Mean

Median

SD

p value

MMP-9

GI

127

147

44.3

 
 

GII

198.9

201.3

11.5

 
 

Control

182.1

181

25.2

<0.001

COX-2

GI

2.7

2.3

1.6

 
 

GII

3.3

2.7

1.8

 
 

Control

2.9

2.1

2.1

0.739

TIMP-1

GI

1.2

0

1.8

 
 

GII

2.1

2.1

1.8

 
 

Control

3.6

2.4

2.7

0.039