Figure 2

Scores scatter plots (A) PCA, (B) 3D PLS-DA, (C) 3D OPLS-DA and (D) OPLS-DA loadings plot of serum with preserved EF > 45% (green) and reduced EF < 45% (blue) of systolic dysfunctions.
Scores scatter plots (A) PCA, (B) 3D PLS-DA, (C) 3D OPLS-DA and (D) OPLS-DA loadings plot of serum with preserved EF > 45% (green) and reduced EF < 45% (blue) of systolic dysfunctions.