OC	Ovarian Cancer
BOT	Benign Ovarian Tumor
UHPLC-QTOF-MS	Ultra-High-Performance Liquid Chromatography Quadrupole Time-of-flight Mass Spectrometry
CA125	Cancer Antigen 125
HE4	Human Epididymis Protein 4
QC	Quality Control
PCA	Principal Component Analysis
OPLS-DA	Orthogonal Partial Least-Squared Discriminant Analysis
PLS-DA	Partial Least-Squared Discriminant Analysis
VIP	Variable important in the Projection
FDR	False Discovery Rate
SVM	Support Vector Machine
ROC	Receiver Operating Characteristic Curve
AUC	Area Under Curve
PS	Phosphatidylserine
PU	plasma polar sample
PL	plasma nonpolar sample (PL)
UU	urine polar sample
UL	urine nonpolar sample