TableĀ 4

Identified exhaled metabolites changing in response to recurrence of OSA

Breath signal featuresBetween-group changes (n=26)
m/zIDp Valueq Value95% CI
69.0681Isoprene0.0200.150.15 to 2.23
97.06222-ethylfuran0.0220.160.12 to 2.14
102.08882-pentenal0.0020.150.55 to 2.55
109.0743Methylphenol0.0020.150.58 to 2.57
111.07822-propylfuran0.0030.150.47 to 2.40
118.0288Homocysteine thiolactone0.0190.150.14 to 2.08
123.0891Ethylphenol0.0020.150.52 to 2.53
125.09302-Butylfuran0.0090.150.29 to 2.31
129.08854-hydroxy-2-heptenal0.0160.150.20 to 2.35
136.0193Benzothiazole0.0260.170.08 to 2.01
139.10902-pentylfuran0.0040.150.44 to 2.51
155.15222-decenal0.0160.150.15 to 1.79
160.12984-hydroxy-2-octenal0.0190.150.17 to 2.38
166.0965Mevalonic acid0.0320.170.04 to 1.70
182.00682-(methylthio)benzothiazole0.0200.150.13 to 1.99
196.1102Digitalose0.0070.150.32 to 2.34
  • Of the 62 statistically significantly changing molecules, 16 were chemically identified. For more details (mean difference with CI), see online supplementary table E5.

  • OSA, Obstructive sleep apnoea.