Figure 2

Correlation of sputum MMP-9 mRNA expression and diffusing capacity for carbon monoxide (DLco) % predicted [r = −0.399 (−0.539, -0.102), p = 0.048].
Correlation of sputum MMP-9 mRNA expression and diffusing capacity for carbon monoxide (DLco) % predicted [r = −0.399 (−0.539, -0.102), p = 0.048].