Conc. (ng/mL) ( %) Recovery (Mean ± SD) Matrix effect
( %) (Mean ± SD) % RSD
20 (LLQC) 96.43 ± 4.43 96.34 ± 3.64 3.77
40 (LQC) 97.98 ± 3.76 97.87 ± 2.87 3.93
600 (MQC) 96.90 ± 4.21 97.98 ± 2.65 2.70
1000 (HQC) 98.32 ± 2.76 98.54 ± 2.36 2.39
Table 5: Extraction recovery, matrix effect (n=6).