| Added concentration |
Repeated reproducibility |
| (ng/mL) |
|
1st |
2nd |
3rd |
|
| 2 |
determined 1.93 |
1.78 |
2.31 |
|
| |
amount |
|
1.64 |
2.16 |
1.71 |
| |
|
1.99 |
1.92 |
1.32 |
|
| |
|
1.44 |
1.77 |
1.87 |
|
| |
|
1.40 |
1.73 |
1.94 |
|
| |
average |
|
1.69 |
1.87 |
1.83 |
| |
recovery rate (%) |
|
84.0 |
93.6 |
93.5 |
| |
precision (%) |
16.2 |
9.4 |
15.7 |
|
| 40 |
determined 36.18 |
33.69 |
36.58 |
|
|
| |
amount |
|
36.77 |
35.70 |
34.66 |
| |
|
34.73 |
34.20 |
36.32 |
|
| |
|
33.41 |
34.27 |
35.37 |
|
| |
|
32.93 |
35.47 |
41.33 |
|
| |
average |
|
34.8 |
34.7 |
36.9 |
| |
recovery rate (%) |
|
87.0 |
86.7 |
92.1 |
| |
precision (%) |
4.8 |
2.5 |
7.1 |
|
| 80 |
determined 69.10 |
70.07 |
68.24 |
|
|
| |
amount |
|
67.74 |
71.67 |
70.69 |
| |
|
67.92 |
71.34 |
70.31 |
|
| |
|
68.43 |
68.39 |
69.47 |
|
| |
|
67.79 |
68.06 |
76.21 |
|
| |
average |
|
68.2 |
69.9 |
71.0 |
| |
recovery rate (%) |
|
85.2 |
87.4 |
88.7 |
| |
precision (%) |
0.8 |
2.4 |
4.3 |
|
average of recovery rate from total concentration (%) 88.7 (n=45)
SD of recovery rate from total concentration 7.9 (n=45)
SD: standard deviation |