Table V.
Extraction efficiency of testosterone in three levels of quality control.
| Samples | A, ng/dl | B, ng/dl | Extraction efficiency, % |
|---|---|---|---|
| Low | 60.58 | 56.52 | 93.29 |
| Medium | 382.15 | 324.91 | 85.02 |
| High | 667.70 | 598.64 | 89.66 |
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