Table 1.

Selected volatile organic compounds (VOCs) for the computer-assisted diagnostic analysis.

Butane †,‡	CH3CN †,‡	CHCl3 †,‡	Methanol †	Acetone ‡
CHN ‡	Ethanol ‡	1-Propanol	2-Propanol	C8H16
Isoprene	Dichlorobenzene	C8H17OH	Xylene	Methylcyclohexane
Toluene	C2H3CN	Limonene	Nonanal	Unknown 1

^† Wilcoxon test: $p<0.05$; ^‡ Kolmogorov–Smirnov test: $p<0.05$; ¹ this VOC could not be identified.