Matrix |
Compound |
Concentration (ng/mL) |
Level |
Precision RSD (%) |
Accuracy (%) |
Intra-day N=6 |
Inter-day N=18 |
Urine |
Testosterone |
0.25 |
LLOQ |
10.01 |
10.11 |
107.03 |
1.9 |
Low |
2.66 |
5.51 |
96.61 |
15.6 |
Medium |
4.20 |
10.29 |
104.02 |
250 |
High |
1.13 |
3.39 |
97.11 |
Epitestosterone |
0.25 |
LLOQ |
1.25 |
9.56 |
100.50 |
1.9 |
Low |
1.05 |
4.36 |
100.39 |
15.6 |
Medium |
8.17 |
8.94 |
96.45 |
250 |
High |
1.67 |
3.70 |
102.60 |
Plasma |
Testosterone |
0.25 |
LLOQ |
8.14 |
8.21 |
109.14 |
1.9 |
Low |
3.94 |
4.26 |
98.26 |
15.6 |
Medium |
5.47 |
5.92 |
102.66 |
250 |
High |
1.86 |
2.29 |
96.55 |
Epitestosterone |
0.25 |
LLOQ |
2.58 |
6.87 |
98.20 |
1.9 |
Low |
1.44 |
2.96 |
103.01 |
15.6 |
Medium |
7.05 |
6.50 |
98.29 |
250 |
High |
1.82 |
3.19 |
100.86 |
|