Analytical methods | ||
---|---|---|
Comparative study | #1 | |
Chromatography | GC | |
Ion source | EI | |
Positive/Negative mode | – | |
Mass analyzer | – | |
Identification level | – |
Sample information | ||
---|---|---|
Comparative study | #1 | |
Country | Austria | |
Specimen | exhaled breath | |
Marker function | diagnosis | |
Participants(Case) | Cancer type | SCLC, NSCLC, mesothelioma, carcinoid |
Stage | – | |
Number | 65 | |
Gender (M,F) | 41, 24 | |
Mean age (range) (M,F) | – | |
Smoking status | former, current, non-smoker | |
Participants(Control) | Type | healthy |
Number | 31 | |
Gender (M,F) | – | |
Mean age (range) (M,F) | – | |
Smoking status | former, current, non-smoker |
Data processing and metabolite identification | |
---|---|
Data processing software | – |
Database search | NIST 2005 |
Statistical analysis | |
---|---|
Differential analysis method | – |
Classification method | – |
Survival analysis method | – |
Metabolite | Author-emphasized biomarkers | Mean concentration (case) | Mean concentration (control) | Fold change (case/control) | P-value | FDR | VIP |
---|---|---|---|---|---|---|---|
1,1-difluoroethane | – | – | – | – | – | – | – |
1,3-cyclohexadiene | – | – | – | – | – | – | – |
1,3-cyclopentadiene | – | – | – | – | – | – | – |
1,3-cyclopentadiene, 1-Methyl- | – | – | – | – | – | – | – |
1,4-pentadiene | – | – | – | – | – | – | – |
1-butanol, 3,3-dimethyl- | – | – | – | – | – | – | – |
1-butanol, 3-methyl- | – | – | – | – | – | – | – |
1-butene, 2-methyl- | – | – | – | – | – | – | – |
1-butene, 3-methyl- | – | – | – | – | – | – | – |
1-butyne | – | – | – | – | – | – | – |
1-cyclopentene | – | – | – | – | – | – | – |
1-pentanol | – | – | – | – | – | – | – |
1-pentene, 2-methyl- | – | – | – | – | – | – | – |
1-pentene, 3-methyl- | – | – | – | – | – | – | – |
1-phenyl-1-butene | – | – | – | – | – | – | – |
1-propanol | V | – | – | – | – | – | – |
2,3-butanedione | – | – | – | – | – | – | – |
2-butanol, 2,3-dimethyl- | – | – | – | – | – | – | – |
2-butanone | V | – | – | – | – | – | – |
2-butanone, 3-hydroxy- | – | – | – | – | – | – | – |
2-butenal, 3-methyl- | – | – | – | – | – | – | – |
2-butene (Z+E) | – | – | – | – | – | – | – |
2-butene, 2-methyl- | – | – | – | – | – | – | – |
2-butyne | – | – | – | – | – | – | – |
2-indanol, trans-1-amino- | – | – | – | – | – | – | – |
2-pentanone | – | – | – | – | – | – | – |
2-pentene (Z+E) | – | – | – | – | – | – | – |
2-propanol, 1,1,1-trichloro-2-methyl- | – | – | – | – | – | – | – |
2-propanol, 1-methoxy- | – | – | – | – | – | – | – |
2-propanone, 1-hydroxy- | – | – | – | – | – | – | – |
2-propenal, 2-methyl- | – | – | – | – | – | – | – |
3-buten-2-one | – | – | – | – | – | – | – |
3-butyn-2-ol | V | – | – | – | – | – | – |
3-pentanol, 2-methyl- | – | – | – | – | – | – | – |
3-penten-1-yne | – | – | – | – | – | – | – |
4-penten-2-one | – | – | – | – | – | – | – |
acetaldehyde | – | – | – | – | – | – | – |
acetamide, N,N-dimethyl- | – | – | – | – | – | – | – |
acetic acid | – | – | – | – | – | – | – |
acetic anhydride | – | – | – | – | – | – | – |
acetone | – | – | – | – | – | – | – |
acetonitrile | – | – | – | – | – | – | – |
acetophenone | – | – | – | – | – | – | – |
acetyl bromide | – | – | – | – | – | – | – |
allyl methyl sulfide | – | – | – | – | – | – | – |
benzaldehyde | V | – | – | – | – | – | – |
benzene | – | – | – | – | – | – | – |
benzene, cyclobutyl- | – | – | – | – | – | – | – |
benzene, ethyl- | – | – | – | – | – | – | – |
butane, 2-methyl- | – | – | – | – | – | – | – |
butyl acetate | – | – | – | – | – | – | – |
camphene | – | – | – | – | – | – | – |
cineole | – | – | – | – | – | – | – |
cyclohexane, ethyl- | – | – | – | – | – | – | – |
cyclopropane, 1,1-dimethyl- | – | – | – | – | – | – | – |
diethyl ether | – | – | – | – | – | – | – |
diisopropyl ether | – | – | – | – | – | – | – |
dimethyl ether | – | – | – | – | – | – | – |
dimethyl sulfide | – | – | – | – | – | – | – |
ethanol | – | – | – | – | – | – | – |
ethyl acetate | – | – | – | – | – | – | – |
ethylene, tetrachloro- | – | – | – | – | – | – | – |
ethylenimine | – | – | – | – | – | – | – |
formamide, N,N-dimethyl- | – | – | – | – | – | – | – |
formic acid | – | – | – | – | – | – | – |
furan | – | – | – | – | – | – | – |
furan, 2,5-dimethyl- | – | – | – | – | – | – | – |
furan, 2-methyl- | – | – | – | – | – | – | – |
furan, 3-methyl- | – | – | – | – | – | – | – |
furfural | – | – | – | – | – | – | – |
g-butyrolactone | – | – | – | – | – | – | – |
heptane, 2,4-dimethyl- | – | – | – | – | – | – | – |
heptane, 2-methyl- | – | – | – | – | – | – | – |
isobutane | – | – | – | – | – | – | – |
isoprene | – | – | – | – | – | – | – |
isoquinoline, 1,2,3,4-tetrahydro- | – | – | – | – | – | – | – |
limonene | – | – | – | – | – | – | – |
menthol mix of isomers | – | – | – | – | – | – | – |
methyl acetate | – | – | – | – | – | – | – |
methyl propyl sulfide | – | – | – | – | – | – | – |
n-butane | – | – | – | – | – | – | – |
n-decane | – | – | – | – | – | – | – |
n-heptane | – | – | – | – | – | – | – |
n-hexane | V | – | – | – | – | – | – |
n-nonane | – | – | – | – | – | – | – |
n-octane | – | – | – | – | – | – | – |
n-pentanal | – | – | – | – | – | – | – |
n-pentane | V | – | – | – | – | – | – |
n-undecane | – | – | – | – | – | – | – |
octane, 2-methyl- | – | – | – | – | – | – | – |
p-cymene | – | – | – | – | – | – | – |
pentane, 2-methyl- | V | – | – | – | – | – | – |
pentane, 3-methyl- | V | – | – | – | – | – | – |
phenol, 2,5-dimethyl- | – | – | – | – | – | – | – |
p-xylene | – | – | – | – | – | – | – |
pyridine | – | – | – | – | – | – | – |
quinoline | – | – | – | – | – | – | – |
styrene | – | – | – | – | – | – | – |
toluene | – | – | – | – | – | – | – |
trichloroethylene | – | – | – | – | – | – | – |
undecane, 3,7-dimethyl- | – | – | – | – | – | – | – |
urea, tetramethyl- | – | – | – | – | – | – | – |
urea, thio-, tetramethyl- | – | – | – | – | – | – | – |
Metabolite | Author-emphasized biomarkers | Cutoff value | AUROC (95%CI) | Sensitivity (%) | Specificity (%) | Accuracy (%) |
---|---|---|---|---|---|---|
1,1-difluoroethane | – | – | – | – | – | – |
1,3-cyclohexadiene | – | – | – | – | – | – |
1,3-cyclopentadiene | – | – | – | – | – | – |
1,3-cyclopentadiene, 1-Methyl- | – | – | – | – | – | – |
1,4-pentadiene | – | – | – | – | – | – |
1-butanol, 3,3-dimethyl- | – | – | – | – | – | – |
1-butanol, 3-methyl- | – | – | – | – | – | – |
1-butene, 2-methyl- | – | – | – | – | – | – |
1-butene, 3-methyl- | – | – | – | – | – | – |
1-butyne | – | – | – | – | – | – |
1-cyclopentene | – | – | – | – | – | – |
1-pentanol | – | – | – | – | – | – |
1-pentene, 2-methyl- | – | – | – | – | – | – |
1-pentene, 3-methyl- | – | – | – | – | – | – |
1-phenyl-1-butene | – | – | – | – | – | – |
1-propanol | V | – | – | – | – | – |
2,3-butanedione | – | – | – | – | – | – |
2-butanol, 2,3-dimethyl- | – | – | – | – | – | – |
2-butanone | V | – | – | – | – | – |
2-butanone, 3-hydroxy- | – | – | – | – | – | – |
2-butenal, 3-methyl- | – | – | – | – | – | – |
2-butene (Z+E) | – | – | – | – | – | – |
2-butene, 2-methyl- | – | – | – | – | – | – |
2-butyne | – | – | – | – | – | – |
2-indanol, trans-1-amino- | – | – | – | – | – | – |
2-pentanone | – | – | – | – | – | – |
2-pentene (Z+E) | – | – | – | – | – | – |
2-propanol, 1,1,1-trichloro-2-methyl- | – | – | – | – | – | – |
2-propanol, 1-methoxy- | – | – | – | – | – | – |
2-propanone, 1-hydroxy- | – | – | – | – | – | – |
2-propenal, 2-methyl- | – | – | – | – | – | – |
3-buten-2-one | – | – | – | – | – | – |
3-butyn-2-ol | V | – | – | – | – | – |
3-pentanol, 2-methyl- | – | – | – | – | – | – |
3-penten-1-yne | – | – | – | – | – | – |
4-penten-2-one | – | – | – | – | – | – |
acetaldehyde | – | – | – | – | – | – |
acetamide, N,N-dimethyl- | – | – | – | – | – | – |
acetic acid | – | – | – | – | – | – |
acetic anhydride | – | – | – | – | – | – |
acetone | – | – | – | – | – | – |
acetonitrile | – | – | – | – | – | – |
acetophenone | – | – | – | – | – | – |
acetyl bromide | – | – | – | – | – | – |
allyl methyl sulfide | – | – | – | – | – | – |
benzaldehyde | V | – | – | – | – | – |
benzene | – | – | – | – | – | – |
benzene, cyclobutyl- | – | – | – | – | – | – |
benzene, ethyl- | – | – | – | – | – | – |
butane, 2-methyl- | – | – | – | – | – | – |
butyl acetate | – | – | – | – | – | – |
camphene | – | – | – | – | – | – |
cineole | – | – | – | – | – | – |
cyclohexane, ethyl- | – | – | – | – | – | – |
cyclopropane, 1,1-dimethyl- | – | – | – | – | – | – |
diethyl ether | – | – | – | – | – | – |
diisopropyl ether | – | – | – | – | – | – |
dimethyl ether | – | – | – | – | – | – |
dimethyl sulfide | – | – | – | – | – | – |
ethanol | – | – | – | – | – | – |
ethyl acetate | – | – | – | – | – | – |
ethylene, tetrachloro- | – | – | – | – | – | – |
ethylenimine | – | – | – | – | – | – |
formamide, N,N-dimethyl- | – | – | – | – | – | – |
formic acid | – | – | – | – | – | – |
furan | – | – | – | – | – | – |
furan, 2,5-dimethyl- | – | – | – | – | – | – |
furan, 2-methyl- | – | – | – | – | – | – |
furan, 3-methyl- | – | – | – | – | – | – |
furfural | – | – | – | – | – | – |
g-butyrolactone | – | – | – | – | – | – |
heptane, 2,4-dimethyl- | – | – | – | – | – | – |
heptane, 2-methyl- | – | – | – | – | – | – |
isobutane | – | – | – | – | – | – |
isoprene | – | – | – | – | – | – |
isoquinoline, 1,2,3,4-tetrahydro- | – | – | – | – | – | – |
limonene | – | – | – | – | – | – |
menthol mix of isomers | – | – | – | – | – | – |
methyl acetate | – | – | – | – | – | – |
methyl propyl sulfide | – | – | – | – | – | – |
n-butane | – | – | – | – | – | – |
n-decane | – | – | – | – | – | – |
n-heptane | – | – | – | – | – | – |
n-hexane | V | – | – | – | – | – |
n-nonane | – | – | – | – | – | – |
n-octane | – | – | – | – | – | – |
n-pentanal | – | – | – | – | – | – |
n-pentane | V | – | – | – | – | – |
n-undecane | – | – | – | – | – | – |
octane, 2-methyl- | – | – | – | – | – | – |
p-cymene | – | – | – | – | – | – |
pentane, 2-methyl- | V | – | – | – | – | – |
pentane, 3-methyl- | V | – | – | – | – | – |
phenol, 2,5-dimethyl- | – | – | – | – | – | – |
p-xylene | – | – | – | – | – | – |
pyridine | – | – | – | – | – | – |
quinoline | – | – | – | – | – | – |
styrene | – | – | – | – | – | – |
toluene | – | – | – | – | – | – |
trichloroethylene | – | – | – | – | – | – |
undecane, 3,7-dimethyl- | – | – | – | – | – | – |
urea, tetramethyl- | – | – | – | – | – | – |
urea, thio-, tetramethyl- | – | – | – | – | – | – |