Supplementary Materials: Supplementary Tables S1-S4

<strong>Supplementary Materials:</strong> Table S1: Serum metabolites used in quantitative analyses aimed to detect differences between groups of participants of the lung cancer screening program, Table S2: Serum metabolites used in binary analyses (present vs absent) aimed to detect differences among groups, Table S3: Comparison of differences in levels of serum metabolites differentiating groups of participants of the lung cancer screening between the two independent studies, Table S4: Indices of the 3-state classifier based on the signature of specific serum metabolites.