Fig. 2
From: Discovery of metabolic biomarkers for gestational diabetes mellitus in a Chinese population
Discrimination analysis of metabolomic profiles. a PCA model in the second trimester. b PCA model in the third trimester. c PLS-DA model in the second trimester. d PLS-DA model in the third trimester. e OPLS-DA model in the second trimester. f OPLS-DA model in the third trimester. Blue refers to the control group while green refers to the case group in the second trimester, and purple refers to normal pregnant women while red refers to GDM patients in the third trimester