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Citation Information


Analytical methods

Comparative study #1 #2
Chromatography LC LC
Ion source ESI ESI
Positive/Negative mode positive positive
Mass analyzer QTrap QTrap
Identification level MS/MS MS/MS

Sample information

Comparative study #1 #2
Country China China
Specimen dried blood spot dried blood spot
Marker function diagnosis diagnosis
Participants(Case) Cancer type lung cancer benign lung disease
Stage
Number222118
Gender (M,F)94, 12855, 63
Mean age (range) (M,F)median: 57.47 (27-81)median: 59.61 (32-80)
Smoking status
Participants(Control) Type healthy healthy
Number96.096.0
Gender (M,F)30, 6630, 66
Mean age (range) (M,F)median: 56.07 (32-80)median: 56.07 (32-80)
Smoking status

Data processing and metabolite identification

Data processing software Analyst software, ChemoView software
Database search

Statistics and concentration information

Differential analysis method PLS-DA, ANOVA, student’s t-test
Classification method
Survival analysis method

Metabolites identified in the paper

Metabolite Comparative study Author-emphasized biomarkers Mean concentration (case) Mean concentration (control) Fold change (case/control) P-value FDR VIP
Arg V <0.001
Arg V <0.001
C10:1 V <0.001
C12 <0.001
C14 <0.001
C14:1 <0.001
C5DC <0.001
C5-OH/C0 V <0.001
Pro V <0.001
C12 0.042
Pro V 0.042
C14:1 0.032
C10:1 V 0.03
C14 0.023
Pip 0.023
C5DC 0.02
Hcy 0.009
C5-OH/C0 V 0.005
Pip 0.003
Hcy 0.002
Metabolite Comparative study Author-emphasized biomarkers Cutoff value AUROC (95%CI) Sensitivity (%) Specificity (%) Accuracy (%)
Arg V
Arg V
C10:1 V
C12
C14
C14:1
C5DC
C5-OH/C0 V
Pro V
C12
Pro V
C14:1
C10:1 V
C14
Pip
C5DC
Hcy
C5-OH/C0 V
Pip
Hcy

Paper graphical summary