Table 3.
Peaks differentially expressed among intrinsic subtypes at a feature selection P < 0.001
| mz | p | Relative peak intensity | Assignment | ||
|---|---|---|---|---|---|
| Luminal | HER2+ | Triple-negative | |||
| p514.32 | 0.0006 | 2.2 | 3.8 | 2.0 | |
| p515.2 | 0.0007 | 1.7 | 2.8 | 1.3 | |
| p531.34 | 0.0002 | 1.3 | 2.4 | 1.1 | |
| p534.25 | 0.0001 | 1.8 | 3.0 | 1.5 | PC {16:1} [M+H]+ |
| p535.22 | 0.0001 | 1.2 | 1.7 | 1.1 | |
| p578.67 | 0.0000 | 14.6 | 5.3 | 3.1 | |
| p644.33 | 0.0004 | 3.6 | 2.1 | 1.5 | |
| p678.32 | 0.0006 | 4.8 | 4.6 | 2.6 | |
| p706.52 | 0.0003 | 2.4 | 2.7 | 5.7 | PC {30:0} [M+H]+ |
| p732.58 | < 0.001 | 1.3 | 2.7 | 11.0 | PC {32:1} [M+H]+ |
| n505.37 | 0.0001 | 13.2 | 90.5 | 78.1 | |
| n527.44 | 0.0005 | 4.5 | 1.6 | 1.6 | |
| n545.56 | < 0.001 | 5.0 | 1.5 | 1.7 | |
| n552.56 | 0.0003 | 2.3 | 1.1 | 1.1 | |
| n554.49 | < 0.001 | 3.8 | 1.2 | 1.2 | |
| n587.67 | 0.0009 | 4.3 | 1.6 | 1.7 | |
| n589.59 | 0.0002 | 3.6 | 1.4 | 1.4 | |
| n627.71 | 0.0008 | 4.7 | 1.9 | 2.1 | |
| n631.89 | 0.0005 | 2.5 | 1.3 | 1.2 | |
1Ratio, cancer/normal
p, lipids identified in the positive ion mode
n, lipids identified in the negative ion mode