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Figure 2 | BMC Pulmonary Medicine

Figure 2

From: Potential prognostic value of biomarkers in lavage, sputum and serum in a five year clinical follow-up of smokers with and without COPD

Figure 2

A significant difference between smokers with and without COPD for the level of serum VWF was shown in 2006/2007 and this difference was maintained in 2012 (left). The correlation between 2006/2007 and 2012 levels of VWF was significant (right). The data is shown for smokers with (circles) and without (open squares) COPD and with the line of identity.

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