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Freeze/Thaw Stability in Plasma
| 1.50 ng/mL (low) | 25 ng/mL (mid) | 400 (high) | ||||
|---|---|---|---|---|---|---|
| Freeze/Thaw Cycles | GM (ng/mL) | DEV from fresh (%) | GM (ng/mL) | DEV from fresh (%) | GM (ng/mL) | DEV from fresh (%) |
| 0 (Fresh) | 1.51 | - | 25.40 | - | 375.58 | - |
| 1 | 1.60 | 6.13 | 25.95 | 2.18 | 416.54 | 10.91 |
| 2 | 1.57 | 4.02 | 25.03 | −1.47 | 366.35 | −2.46 |
| 3 | 1.48 | −1.66 | 27.69 | 9.02 | 371.85 | −0.99 |
Abbreviations: GM, grand mean; DEV (%) relative deviation from nominal value
