Research Article

Overexpression of Inducible Nitric Oxide Synthase in Allergic and Nonallergic Nasal Polyp

Figure 4

Mean of iNOS-positive cells in patients with history of aspirin sensitivity (a) in Groups B and B&C and pansinusitis (b) in Groups B and B&C and history of asthma with and without aspirin sensitivity and pansinusitis (c) in Group B. Data expressed as of positive iNOS cells in comparison to negative iNOS cells, for and for levels of significance. Group A (concha bullosa control group), Group B (allergic nasal polyposis group), and Group C (nonallergic nasal polyposis group).
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