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Change in association between selected serum biomarkers and subjects before (Visit 1) and during exacerbation (Visit 2). Edge weight of serum biomarkers (FGF, GM-CSF, Fractalkine, and VEGF) in relation to control and CRSwNP subjects was calculated for Visit 1 and Visit 2. Data are presented as median (horizontal bars), quartiles (boxes) and range (vertical lines) of edge weight values. Significant differences are depicted by horizontal lines.
