Table 1.
Correlations between the sphingolipid species, and coefficients of variation of the measurements
| Cer-16 | Cer-18 | Cer-20 | Cer-22 | Cer-24 | GluCer-16 | GluCer-22 | GluCer-24 | LacCer-16 | SM-14 | SM-16 | SM-18 | SM-20 | SM-22 | CV, % | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cer-16 |
1.0 |
18.4 |
|||||||||||||
| Cer-18 |
0.74 |
1.0 |
21.2 |
||||||||||||
| Cer-20 |
0.72 |
0.74 |
1.0 |
19.5 |
|||||||||||
| Cer-22 |
0.72 |
0.59 |
0.73 |
1.0 |
13.9 |
||||||||||
| Cer-24 |
0.72 |
0.58 |
0.61 |
0.87 |
1.0 |
15.5 |
|||||||||
| GluCer-16 |
0.51 |
0.39 |
0.29 |
0.31 |
0.40 |
1.0 |
13.4 |
||||||||
| GluCer-22 |
0.36 |
0.20 |
0.24 |
0.44 |
0.44 |
0.67 |
1.0 |
13.9 |
|||||||
| GluCer-24 |
0.40 |
0.23 |
0.23 |
0.37 |
0.48 |
0.72 |
0.85 |
1.0 |
16.0 |
||||||
| LacCer-16 |
0.40 |
0.27 |
0.26 |
0.29 |
0.32 |
0.59 |
0.51 |
0.49 |
1.0 |
14.4 |
|||||
| SM-14 |
0.59 |
0.47 |
0.48 |
0.62 |
0.66 |
0.48 |
0.42 |
0.45 |
0.38 |
1.0 |
18.2 |
||||
| SM-16 |
0.70 |
0.49 |
0.48 |
0.55 |
0.62 |
0.69 |
0.56 |
0.60 |
0.63 |
0.71 |
1.0 |
11.5 |
|||
| SM-18 |
0.57 |
0.71 |
0.54 |
0.49 |
0.53 |
0.55 |
0.40 |
0.41 |
0.49 |
0.65 |
0.75 |
1.0 |
12.2 |
||
| SM-20 |
0.48 |
0.44 |
0.55 |
0.65 |
0.59 |
0.35 |
0.48 |
0.40 |
0.40 |
0.78 |
0.66 |
0.72 |
1.0 |
12.6 |
|
| SM-22 |
0.51 |
0.37 |
0.52 |
0.70 |
0.59 |
0.34 |
0.51 |
0.43 |
0.42 |
0.66 |
0.67 |
0.60 |
0.89 |
1.0 |
12.4 |
| SM-24 | 0.49 | 0.32 | 0.41 | 0.60 | 0.60 | 0.38 | 0.49 | 0.52 | 0.42 | 0.64 | 0.70 | 0.57 | 0.79 | 0.92 | 13.3 |
CV, coefficient of variation.