Table 2

Serum MMPs and TIMP-1 concentrations

Exacerbation
(n=21)
Stable
(n=21)
p value*
Data are presented as mean (SE).
MMP=matrix metalloproteinase; TIMP=tissue inhibitor of metalloproteinase.
*Mann-Whitney U non-parametric test.
MMP-2 (ng/ml)998.9 (42.7)1041.1 (42.7)0.3585
MMP-9 (ng/ml)202.9 (22.0)107.7 (9.9)0.0003
TIMP-1 (ng/ml)285.0 (16.7)321.7 (15.2)0.969