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Table 5 Spearman’s correlation analysis between MMPs/TIMP2 ratios and emphysema sub-types

From: Distinct emphysema subtypes defined by quantitative CT analysis are associated with specific pulmonary matrix metalloproteinases

  MMP-3/TIMP-2 MMP-7/TIMP-2 MMP-8/TIMP-2 MMP-9/TIMP-2 MMP-10/TIMP-2 MMP-12/TIMP-2
Mild CLE −0.07 −0.09 −0.06 −0.02 0.10 −0.01
Moderate CLE 0.35 0.22 0.42* 0.27 0.37* −0.05
Severe CLE 0.44* 0.25 0.35 0.23 0.33 −0.10
Panlobular 0.56** 0.32 0.32 0.26 0.46** 0.08
Paraseptal 0.44* 0.34 0.40* 0.31 0.38* −0.04
Normal −0.35 −0.18 −0.34 −0.23 −0.40* 0.13
  1. Spearman’s rho values given
  2. N = 31. *p < 0.05; **p < 0.01