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Table 2 Related metabolites that exist at abnormal levels in the exhaled air samples among carcinoma, gastric ulcer gastritis patients and normal controls

From: Volatile organic metabolites identify patients with gastric carcinoma, gastric ulcer, or gastritis and control patients

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
  1. RT retention time, FC fold change, VIP variable importance in the projection