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Main outcomes of the study. (A) Asthma exacerbations rate per year (Mean ± SD); (B) Oral corticosteroids (OCS) cumulative dose/y (g prednisolone) in steroid dependent patients; (C) Asthma Control Test (ACT) score; (D) Sinonasal Outcome Test (SNOT)-22 score (mean ± SD). *** p < 0.01; ** p < 0.05.
