| Added concentration |
Repeated reproducibility |
Intra-laboratory |
| (ng/mL) |
|
1st |
2nd |
3rd |
reproducibility |
| 2 |
determined |
2.18 |
2.01 |
2.60 |
|
| |
amount |
|
|
1.85 |
2.44 |
1.93 |
1.89 |
| |
|
|
2.24 |
2.16 |
1.71 |
2.11 |
|
| |
|
|
1.62 |
2.00 |
2.11q |
2.11 |
|
| |
|
|
1.58 |
1.95 |
2.19 |
|
|
| |
average |
|
|
1.9 |
2.1 |
2.1 |
2.0 |
| |
accuracy (%) |
|
-5.3 |
+5.6 |
+5.4 |
+1.8 |
|
| |
precision (%) |
|
16.2 |
9.4 |
15.7 |
6.2 |
|
| 40 |
determined |
40.79 |
37.98 |
41.24 |
|
|
|
| |
amount |
|
|
41.45 |
40.25 |
39.08 |
39.24 |
| |
|
|
39.15 |
38.56 |
40.95 |
39.08 |
|
| |
|
|
37.67 |
38.64 |
39.88 |
41.55 |
|
| |
|
|
37.13 |
39.99 |
46.60 |
|
|
| |
average |
|
|
39.2 |
39.1 |
41.6 |
40.0 |
| |
accuracy (%) |
|
-1.9 |
-2.3 |
+3.9 |
-0.1 |
|
| |
precision (%) |
|
4.8 |
2.5 |
7.1 |
3.5 |
|
| 80 |
determined |
77.90 |
79.00 |
76.93 |
|
|
|
| |
amount |
|
|
76.37 |
80.80 |
79.70 |
76.88 |
| |
|
|
76.57 |
80.43 |
79.27 |
78.81 |
|
| |
|
|
77.15 |
77.10 |
78.32 |
80.03 |
|
| |
|
|
76.43 |
76.73 |
85.92 |
|
|
| |
average |
|
|
76.9 |
78.8 |
80.0 |
78.6 |
| |
accuracy (%) |
|
-3.9 |
-1.5 |
+0.04 |
-1.8 |
|
| |
precision (%) |
0.8 |
2.4 |
4.3 |
|
|
|
|