 
| Concentration (pg/mL) | OD | Corrected OD | 
|---|---|---|
| 2000.00 | 2.258 | 2.192 | 
| 1000.00 | 1.563 | 1.497 | 
| 500.00 | 0.908 | 0.842 | 
| 250.00 | 0.571 | 0.505 | 
| 125.00 | 0.295 | 0.229 | 
| 62.50 | 0.179 | 0.113 | 
| 31.25 | 0.120 | 0.054 | 
| 0.00 | 0.066 | 0.000 | 

Intra-assay Precision (Precision within an assay):CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.
Inter-assay Precision (Precision between assays):CV%<10%
Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.
| Matrix | Recovery range | Average | 
|---|---|---|
| serum(n=5) | 81-95% | 88% | 
| EDTA plasma(n=5) | 83-97% | 90% | 
| Heparin plasma(n=5) | 87-95% | 91% | 
| Matrix | 1:2 | 1:4 | 1:8 | 1:16 | 
|---|---|---|---|---|
| serum(n=5) | 95-102% | 83-96% | 97-103% | 85-92% | 
| EDTA plasma(n=5) | 78-95% | 96-103% | 83-101% | 82-97% | 
| Heparin plasma(n=5) | 85-94% | 97-103% | 79-91% | 82-91% | 
 
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