Table 3.
Acylcarnitines and acylcarnitine ratios for selective high-risk screening for inborn errors of metabolism.
| Acylcarnitines/ratio | Mean | Median | 1st Percentile | 99th percentile | Unit |
|---|---|---|---|---|---|
| C0 | 31.4 | 28.6 | 8 | 85 | µmol/L |
| C2 | 16.83 | 14.63 | 3 | 53 | µmol/L |
| C3 | 1.44 | 1.21 | 0.2 | 5 | µmol/L |
| C4 | 0.3 | 0.25 | 0.07 | 1.11 | µmol/L |
| C5:1 | 0.07 | 0.06 | 0.01 | 0.2 | µmol/L |
| C5 | 0.16 | 0.14 | 0.04 | 0.48 | µmol/L |
| C4OH | 0.15 | 0.12 | 0.02 | 0.64 | µmol/L |
| C6 | 0.11 | 0.09 | 0.01 | 0.46 | µmol/L |
| C5OH | 0.17 | 0.16 | 0.04 | 0.47 | µmol/L |
| C8 | 0.13 | 0.11 | 0.02 | 0.4 | µmol/L |
| C3DC | 0.08 | 0.07 | 0.01 | 0.23 | µmol/L |
| C10:1 | 0.11 | 0.1 | 0.01 | 0.34 | µmol/L |
| C10 | 0.15 | 0.12 | 0.02 | 0.64 | µmol/L |
| C5DC | 0.06 | 0.06 | 0.01 | 0.2 | µmol/L |
| C12:1 | 0.13 | 0.11 | 0.02 | 0.4 | µmol/L |
| C12 | 0.14 | 0.12 | 0.02 | 0.47 | µmol/L |
| C6DC | 0.15 | 0.13 | 0 | 0.46 | µmol/L |
| C14:2 | 0.07 | 0.06 | 0.01 | 0.24 | µmol/L |
| C14:1 | 0.13 | 0.11 | 0.02 | 0.46 | µmol/L |
| C14 | 0.23 | 0.2 | 0.04 | 0.73 | µmol/L |
| C8DC | 0.07 | 0.06 | 0.01 | 0.27 | µmol/L |
| C14OH | 0.05 | 0.05 | 0.01 | 0.2 | µmol/L |
| C16:1 | 0.15 | 0.12 | 0.02 | 0.53 | µmol/L |
| C16 | 1.58 | 1.32 | 0.3 | 5.4 | µmol/L |
| C16:1OH | 0.08 | 0.06 | 0.01 | 0.31 | µmol/L |
| C16OH | 0.05 | 0.04 | 0.01 | 0.19 | µmol/L |
| C18:2 | 0.31 | 0.28 | 0.05 | 0.92 | µmol/L |
| C18:1 | 1.01 | 0.93 | 0.21 | 2.68 | µmol/L |
| C18 | 0.56 | 0.51 | 0.12 | 1.53 | µmol/L |
| C18:2OH | 0.04 | 0.03 | 0 | 0.16 | µmol/L |
| C18:1OH | 0.04 | 0.04 | 0 | 0.17 | µmol/L |
| C16OH/C16 | 0.04 | 0.03 | 0.002 | 0.22 | NA |
| [C16+C18:1]/C2 | 0.18 | 0.16 | 0.04 | 0.58 | NA |
| C14:1/C4 | 0.54 | 0.42 | 0.07 | 2.33 | NA |
| C14:1/C16 | 0.1 | 0.08 | 0.01 | 0.45 | NA |
| C14:1/C12:1 | 1.33 | 0.96 | 0.16 | 7 | NA |
| C0/[C16+C18] | 17.55 | 14.59 | 4 | 53 | NA |
NA, not applicable