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Table 3 Result of biomarkers in exhaled air

From: Analysis of nitrogen oxides (NOx) in the exhaled breath condensate (EBC) of subjects with asthma as a complement to exhaled nitric oxide (FeNO) measurements: a cross-sectional study

  Asthma (n = 23) Controls (n = 23) Statisticsb
FeNO50 (ppb) a 29.9 [17.9 - 52.4] 9.6 [8.4 - 14.2] < 0.001
CalvNO (ppb)a 3.7 [2.7 - 6.3] 1.7 [1.1 - 2.8] 0.002
J'awNO (nL/min)a 80.6 [56.7 - 116.9] 30.9 [25.7 - 46.3] 0.001
NOx (μM) a 14.4 [10.4 - 19.7] 9.9 [7.5 - 15.0] 0.046
  1. FeNO50: Fractional exhaled nitric oxide at 50 mL/s, CalvNO: Alveolar NO concentration, J'awNO: Bronchial NO concentration, NOx: Nitrogen oxides
  2. a data expressed as geometric mean [IQR]
  3. b ANOVA