A Machine-Learned Predictor of Colonic Polyps Based on Urinary Metabolomics

Table 6

Correlation coefficient for top 4 metabolites and 4 clinical features, where a positive correlation coefficient shows that the metabolite was positively correlated with patients that need to receive colonoscopies.

Feature	PubChem CID	Metabolic pathways	Correlation
Methanol	887	Gut flora metabolism	−0.16
Age			0.16
Sex			0.12
Trigonelline	5570	Nicotinate and nicotinamide metabolism	0.12
Acetone	180	Degradation of ketone bodies; propanoate metabolism	−0.11
Smoker			0.11
Tyrosine	6057	Many amino acid pathways; present in gut flora	0.09
GI Bleeding			0.07