Fig. 1From: Cytokine patterns in nasal secretion of non-atopic patients distinguish between chronic rhinosinusitis with or without nasal polysLevels of IL-13 in nasal fluid in controls, NP and CRSsNP: box plots of the levels of IL-13 in nasal secretion is shown. IL-13 is significantly decreased in NP compared to both CRSsNP and the controls. Moreover, IL-13 is decreased in CRSsNP compared to the controls. **p < 0.01, ***p < 0.001Back to article page