Table 4.
Factors identified by sparse principal component analysis and the associated individual components, description and variance.
| Factors | Description | Components | Percentage of variance accounted |
|---|---|---|---|
| 1 | Medium and long-chain carnitines | C8, C8-DC, C12:1, C12, C12-OH/C10-DC, C14:2, C14:1, C14, C16:3, C16:2, C16:1, C18:1 | 11 |
| 2 | Short chain dicarboxyl/hydroxyl carnitines | C3, C4, C5:1, C5, C4-OH, C6, C5OHC3DC, C4DCC6OH, C5DC, C81OHC61DC, C8OHC6DC, C103, C81DC, C8-DC | 6.3 |
| 3 | Medium and long chain dicarboxyl/hydroxyl carnitines | C81OHC61DC, C122OHC102DC, C121OH, C142OH, C141OH, C163OHC143DC, C162OH C183OHC163DC, C182OHC162DC, C201, C20, C202OHC182DC, C201OHC181DC, C20OHC18DC, C221 |
7.2 |
| 4 | Long chain carnitines | C16, C183, C182, C181, C18, C204, C203, C202, C201, C202OHC182DC, C225, C224 C223 | 6.0 |
| 5 | Medium and long chain dicarboxyl/hydroxyl carnitines | C4OH, C8OHC6DC, C8DC, C12OHC10DC, C141OH, C14OHC12DC, C162OH, C161OHC141DC, C16OH, C181OHC161DC, C18OHC16DC, C20, C201OHC181DC, C20OHC18DC |
7.4 |
| 6 | Wide spectrum carnitines including odd short chain carnitines | C2, C3, C51, C5, C5OHC3DC, C101, C7DC, C121, C12, C14, C142OH, C163, C162OH, C16OH, C183, C182, C18, C183OHC163DC, C182OHC162DC, C204, C203, C202, C201, C203OHC183DC, C225, C223, C222, C22, Free Carnitine, Total Carnitine | 3.8 |
| 7 | Wide spectrum carnitines including ketone-derived carnitine | C2, C4OH, C6, C81, C5DC, C81OHC61DC, C103, C101, C10, C81DC, C122, C143, C142, C14, C142OH, C14OHC12DC, C162, C161, C16, C162OH, C161OHC141DC, C183, C182, C183OHC163DC, C18OHC16DC, C204, C202, C201OHC181DC, C224, C222, C22 |
4.5 |
| 8 | Wide spectrum carnitines including odd short chain carnitines | C3, C51, C4DCC6OH, C5DC, C81OHC61DC, C8OHC6DC, C7DC, C81DC, C8DC, C122, C121, C12OHC10DC, C14OHC12DC, C16, C16OH, C183OHC163DC, C18OHC16DC, C204, C201, C20OHC18DC, C224, C223, C222, C221, Free Carnitine, Total Carnitine |
2.2 |
| 9 | Wide spectrum carnitines including ketone-derived carnitine | C2, C51, C4OH, C6, C5OHC3DC, C81OHC61DC, C101, C81DC, C12, C122OHC102DC, C121OH, C14, C142OH, C14OHC12DC, C162, C183, C182, C181, C183OHC163DC, C182OHC162DC, C181OHC161DC, C18OHC16DC, C204, C203, C201OHC181DC, C20OHC18DC, C225, Free Carnitine, Total Carnitine |
2.3 |
| 10 | Medium and long chain carnitines | C10, C143, C142, C14, C143OHC123DC, C142OH, C163, C16, C181, C18, C182OHC162DC, C204, C203, C201, C20, C221, C22 |
2.3 |