| Drug | Taken (µg∙ml−1) | Interday accuracy and precision | |||
| Found (µg∙ml−1) | Recovery % | % RSD | RE % | ||
| LSP | 5.0 | 4.996 | 99.92 | 0.51 | −0.078 |
| 5.0 | 5.0 | 100 | 0.66 | 0.00 | |
| 5.0 | 5.03 | 100.67 | 0.34 | 0.67 | |