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

From: Videodensitometric analysis of advanced carotid plaque: correlation with MMP-9 and TIMP-1 expression

Variable Group Mean Median SD p value
MMP-9 GI 127 147 44.3  
  GII 198.9 201.3 11.5 < 0.001
  Control 182.1 181 25.2  
TIMP-1 GI 1.2 0 1.8  
  GII 2.1 2.1 1.8 0.039
  Control 3.6 2.4 2.7  
  1. MMP-9 means metalloproteinase-9
  2. TIMP-1 means tissue inhibitor of metalloproteinase-1