Table 3.

Performance of logistic regression models with various biomarkers for discriminating healthy controls and lung cancer patients.

	Top 5 significant metabolites		Top 10 significant metabolites		Top 20 significant metabolites
	Discovery	Validation	Discovery	Validation	Discovery	Validation
AUC	0.918 (± 0.103)	0.869	0.973 (± 0.065)	0.947	0.947 (± 0.125)	0.964
Accuracy	0.836 (± 0.155)	0.829	0.902 (± 0.162)	0.857	0.893 (± 0.159)	0.900
Precision	0.850 (± 0.174)	0.829	0.933 (± 0.214)	0.866	0.903 (± 0.204)	0.905
Recall	0.855 (± 0.208)	0.829	0.890 (± 0.161)	0.857	0.908 (± 0.117)	0.900