Table 1.
Demographics of subjects under study.
Fig 1.
Targeted approach visualization of nine females and nine males from each ethnicity (F = Female, M = Male, A = African American, C = Caucasian, H = Hispanic) VOC odor profiles.
Fig 2.
(A) 2D PLS-DA scores plot showing clustering but no class separation of HS-SPME-GCMS VOCs from Female and Male subjects. (B) 3D PLS-DA scores plot displays clustering and minimal class separation of HS-SPME-GCMS VOCs from female and male subjects.
Fig 3.
Principal components with highest variance show complete separation of Female and Male subjects.
Fig 4.
Class separation of HS-SPME-GC-MS VOCs from Female and Male subjects.