Fig. 3
From: Elevated serum matrix metalloprotease (MMP-2) as a candidate biomarker for stable COPD

Activity measurement and qualitative analysis of serum caspases- [3&7]. (a) estimation of caspase-3/7 activity; (b) qualitative estimation of serum caspase-3; and (c) caspase-7 from controls vs COPD patients. The p-values are calculated by unpaired t-test with 95% confidence interval using Graphpad prism 5.0 software