Table 1 Quantitative analysis of serum NE and MMP-2 in COPD patients vs the controls
From: Elevated serum matrix metalloprotease (MMP-2) as a candidate biomarker for stable COPD
|  | Neutrophil elastase (μg/ml) | Matrix metalloprotease-2 (μg/ml) |
|---|---|---|
Controls | 0.047 ± 0.014 | 0.05 ± 0.0083 |
COPD patients | 0.21 ± 0.018 | 0.71 ± 0.0647 |