| Concentration
added to plasma
(ng/ml) |
Room temperature (8 h) |
Four freeze-thaw circles |
| Mean measured
concentration
(ng/ml) |
Accuracy
(%) |
RSD
(%) |
Mean measured
concentration
(ng/ml) |
Accuracy
(%) |
RSD
(%) |
| 10 |
8.75 ± 0.73 |
87.5 |
8.34 |
8.42 ± 0.41 |
84.2 |
4.87 |
| 400 |
369.4 ± 11.32 |
92.4 |
3.06 |
355.6 ± 9.24 |
88.9 |
2.60 |
| 1000 |
934.6 ± 18.91 |
93.4 |
2.02 |
978.7 ± 15.34 |
97.9 |
1.57 |
|
