Research Article

[Retracted] Identification of Serum Metabolomics Characteristics in Patients with Stable Angina Pectoris Using UHPLC-QE-MS

Figure 2

OPLS-DA plot: OPLS-DA score plot showing control samples (CON, red dots, ) and stable angina pectoris (SAP, blue dots ). (a) Positive mode and (b) negative mode (ESI+: R2X 0.299, R2Y 0.703, Q2 0.0776; ESI-: R2X 0.0888, R2Y 0.888, Q2 0.0217).
(a)
(b)