Figure 2From: Exhaled nitric oxide in a population-based study of Southern California Schoolchildren Estimated online FeNO by sex and ethnic group, adjusted for clinical status, age, body size, and community effects. Bar indicates geometric mean, flag indicates upper 95% confidence limit of geometric mean. See Table 1 for number of subjects in each group. Significant differences: Hispanic > white, P = 0.02; Asian > white, P < 0.0001; Asian boys > Asian girls, P < 0.0001.Back to article page