Matrix Compound Concentration (ng/mL) % Extraction recovery (N=6)
Plasma Testosterone 0.25 (LLOQ) 94.49
1 81.63
4 85.60
16 85.98
Epitestosterone 0.25 (LLOQ) 92.77
1 89.67
4 84.72
16 89.48
Urine Testosterone 0.25 (LLOQ) 91.23
1 87.63
4 88.29
16 89.16
Epitestosterone 0.25 (LLOQ) 92.57
1 91.44
4 89.60
16 90.16
Table 3: Absolute extraction recovery results for testosterone and epitestosterone in plasma and urine.