Nominal concentration (ng/mL) |
Measured concentration (inter-day) |
Measured concentration (inter-day) |
Measured concentration (inter-day) |
Measured concentration (inter-day) |
Measured concentration
(intra-day) |
Measured concentration (intra-day) |
Measured
concentration (intra-day) |
Measured concentration
(intra-day) |
|
mean |
SD |
precision (%CV) |
accuracy (%) |
mean |
SD |
precision
(%CV) |
accuracy (%) |
25 |
25.7 |
1.31 |
5.10 |
102.7 |
25.6 |
1.63 |
6.36 |
102.3 |
50 |
47.2 |
4.44 |
9.40 |
94.5 |
48.0 |
5.32 |
11.1 |
96.0 |
100 |
91.9 |
6.61 |
7.19 |
91.9 |
91.8 |
4.75 |
5.18 |
91.8 |
200 |
193 |
11.6 |
6.00 |
96.4 |
195 |
17.3 |
8.89 |
97.3 |
500 |
498 |
41.9 |
8.41 |
99.5 |
480 |
57.0 |
11.9 |
96.0 |
1000 |
1010 |
70.9 |
7.00 |
101.4 |
1030 |
93.1 |
8.99 |
103.5 |
2000 |
2030 |
120 |
5.89 |
101.4 |
2005 |
112.3 |
5.60 |
100.3 |
4000 |
3990 |
208 |
5.22 |
99.8 |
4050 |
138.3 |
3.41 |
101.3 |
7500 |
7780 |
402 |
5.17 |
103.7 |
7940 |
457 |
5.75 |
105.9 |
10000 |
10400 |
768 |
7.39 |
104.0 |
10530 |
1020 |
9.68 |
105.3 |
25 (LLOQ) |
24.6 |
2.01 |
8.14 |
98.5 |
24.2 |
1.86 |
7.69 |
96.9 |
75 (LQC) |
75.0 |
6.33 |
8.44 |
99.9 |
74.3 |
4.38 |
5.90 |
99.1 |
4500 (MQC) |
4640 |
457 |
9.85 |
102.7 |
4740 |
496 |
10.5 |
105.3 |
8500 (HQC) |
8440 |
983 |
11.6 |
105.2 |
8470 |
1260 |
14.9 |
99.6 |