AUC	Area under the receiver operating characteristic (ROC) curve
CI	Confidence Interval
DRE	Digital rectal examination
FC	Fold change
GAA	Guanidinoacetate
GC/MS	Gas chromatography-mass spectrometry
GS	Gleason score
HMDB	Human Metabolome Database
NMR	Nuclear magnetic resonance
OPLS-DA	Orthogonal Partial Least Squares discriminant analysis
PBS	Phosphate buffer solution
PC	Prostate cancer
PCA	Principal component analysis
PLS-DA	Partial Least Squares discriminant analysis
PSA	Prostate specific antigen
ROC	Receiver operating characteristic curve
STITCH	Search tool for interactions of chemicals
TSP	Trimethylsilylpropionic acid-d4 sodium salt
TURP	Transurethral resection of the prostate
VIP	Variable importance in projection