Table 2. Carnitine fractions in cases and controls (μmol l−1).
| Cases | Controls | P-value | |
|---|---|---|---|
| Total carnitinea | 55.01 (12.16) | 62.78 (15.68) | <0.001 |
| Free carnitineb | 22.38 (6.61) | 26.51 (8.67) | 0.002 |
| acyl-carnitinea | 32.63 (7.42) | 36.27 (8.80) | 0.007 |
| Acyl/free carnitine ratioa | 1.53 (0.38) | 1.43 (0.33) | 0.07 |
| C2a acetyl-L-carnitine (ALCAR) | 24.28 (6.18) | 26.86 (7.17) | 0.02 |
| C3b proprionylcarnitine | 1.27 (0.47) | 1.54 (0.79) | 0.002 |
| C5OHa hydroxyisovalerylcarnitine | 0.10 (0.03) | 0.12 (0.04) | 0.004 |
| C14b miristoylcarnitine | 0.19 (0.09) | 0.21 (0.10) | 0.037 |
| C16b palmitoylcarnitine | 2.32 (1.06) | 2.48 (1.23) | 0.038 |
| C18b stearoylcarnitine | 0.71 (0.34) | 0.74 (0.33) | 0.043 |
Mann–Whitney rank test for P-value.
a
Normal distribution: values are means (standard deviations); Student's t-test for P-value.
b
Non-normal distribution: values are medians (25th–75th interquartile ranges); rank test for P-value.