Table 3.
Tentative lipid assignments for the top 12 significant lipids in the cancer vs. normal model
| m/z | P value | Lipid | Ion |
| 673.481 | <0.0001 | Phosphatidic acid (16:0/18:1) | [M – H]− |
| 687.533 | =0.0011 | Sphingomyelin (d18:1/16:0)/phosphatidic acid (O-18:0/18:1) | [M – CH3]−/[M – H]− |
| 699.497 | <0.0001 | Phosphatidic acid (18:1/18:1) | [M – H]− |
| 725.512 | <0.0001 | Phosphatidic acid (18:0/20:3)/(20:2/18:1) | [M – H]−/[M – H]− |
| 744.554 | <0.0001 | Phosphatidylethanolamine (18:0/18:1)/phosphatidylcholine (18:1/16:0) | [M – H]−/[M – CH3]− |
| 747.518 | <0.0001 | Phosphatidylglycerol (18:1/16:0)/phosphatidic acid (18:1/22:5) | [M – H]−/[M – H]− |
| 750.544 | =0.0003 | Phosphatidylethanolamine (P-18:0/20:4)/(P-16:0/22:4) | [M – H]−/[M – H]− |
| 771.518 | <0.0001 | Phosphatidylglycerol (18:2/18:1) | [M – H]− |
| 773.533 | <0.0001 | Phosphatidylglycerol (18:1/18:1)/(20:2/16:0) | [M – H]−/[M – H]− |
| 794.570 | =0.0002 | Phosphatidylcholine (16:0/22:4)/(18:0/20:4) | [M – CH3]−/ [M – CH3]− |
| 818.570 | =0.0004 | Phosphatidylcholine (20:2/20:4) | [M – CH3]− |
| 885.549 | =0.0011 | Phosphatidylinositol (18:0/20:4) | [M – H]− |