Fig. 1From: Simvastatin up-regulates adenosine deaminase and suppresses osteopontin expression in COPD patients through an IL-13-dependent mechanismThe data shows a positive correlation between baseline pre-BD FEV1 and ADA (a) and negative correlation with OPN levels (b) and the association between the magnitude of changes in ADA levels and the degree of pre-BD FEV1 improvement (c)Back to article page