Table 2 Related metabolites that exist at abnormal levels in the exhaled air samples among carcinoma, gastric ulcer gastritis patients and normal controls
Potential biomarker | RT | Carcinoma vs normal | Carcinoma vs gastric ulcer | Carcinoma vs gastritis | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
P-value | FC | VIP | P-value | FC | VIP | P-value | FC | VIP | ||
2,3-Butanediol, [R-(R*,R*)]- | 3.09 | 2.49E−03 | 0.8 | 2.1885 | ||||||
1,3-Dioxolan-2-one | 7.58 | 2.56E−03 | − 1.04 | 2.0577 | ||||||
Hexadecane | 18.36 | 1.04E−04 | 3.61 | 1.818 | ||||||
Undecane, 3,8-dimethyl- | 18.36 | 1.30E−02 | 4.2 | 1.7379 | ||||||
N,N-Dimethylacetamide | 5.55 | 8.34E−04 | − 3.45 | 1.9534 | 3.52E−11 | − 3.63 | 2.1254 | |||
Phosphonic acid, (p-hydroxyphenyl)- | 8.07 | 3.01E−04 | − 1.46 | 1.5537 | 4.54E−05 | − 1.12 | 1.6612 | |||
1,3-Dioxolane-2-methanol | 11.66 | 4.38E−04 | 3.56 | 1.5061 | 2.01E−03 | 0.98 | 1.7984 | |||
3,5-Decadien-7-yne, 6-t-butyl-2,2,9,9-tetramethyl- | 18.94 | 9.02E−08 | − 11.38 | 2.1523 | ||||||
1,6-Dioxacyclododecane-7,12-dione | 19.71 | 3.05E−07 | − 5.75 | 1.7882 | ||||||
Caprolactam | 15.83 | 2.18E−06 | − 4.92 | 1.7731 | ||||||
5,7-Octadien-2-one, 3-acetyl- | 14.11 | 7.92E−06 | − 9.83 | 1.6588 | ||||||
Nonanal | 11.01 | 2.80E−06 | − 1.54 | 1.6415 | ||||||
5-Hepten-2-one, 6-methyl- | 8.08 | 5.02E−05 | − 0.96 | 1.6318 | ||||||
Benzothiazole | 13.62 | 9.42E−03 | 0.64 | 1.5273 | ||||||