Fig. 3From: Risk factors associated with comorbid asthma in patients with chronic rhinosinusitis with nasal polyps: a cross-sectional studyFactors associated with asthma in CRSwNP patients after conversion of quantitative variables into dichotomic variables. CRSwNP, chronic rhinosinusitis with nasal polyps; T-IgE, total immunoglobulin E; CI, confidence intervalBack to article page