Figure 2From: Prevalence of asthma symptoms based on the European Community Respiratory Health Survey questionnaire and FE NO in university students: gender differences in symptoms and FE NOA gender difference in F E NO and the percentage of students whose F E NO was ≥ 38.0 ppb. In the 584 students ranging in age from 18 to 24 years, FE NO was significantly higher in men than in women (**, p < 0.01) (A). Overall, 32.7% of the 584 students, including 41.2% of male students and 25.2% of female students, had FE NO ≥ 38.0 ppb. The percentage of men was significantly higher than that of women (p < 0.01) (B).Back to article page