Fig. 2

Score plots of PCA and PLS-DA for the control and HAPE groups in serum GC-MS and LC-MS. (A) PCA score plot of GC-MS. (B) PCA score plot of LC-MS. (C) PLS-DA score plot of GC-MS. (D) PLS-DA score plot of LC-MS.

Score plots of PCA and PLS-DA for the control and HAPE groups in serum GC-MS and LC-MS. (A) PCA score plot of GC-MS. (B) PCA score plot of LC-MS. (C) PLS-DA score plot of GC-MS. (D) PLS-DA score plot of LC-MS.