Concentrationa (pg/ml) | ||||||||
---|---|---|---|---|---|---|---|---|
Theoretical concentration | 0.023 | 0.069 | 0.206 | 0.617 | 1.85 | 5.6 | 16.7 | 50.0 |
Run 1 | 0.096 | 0.199 | 0.616 | 1.85 | 5.56 | 16.9 | 49.9 | |
Run 2 | −0.011 | 0.066 | 0.224 | 0.614 | 1.77 | 5.67 | 17.2 | 49.7 |
Run 3 | −0.032 | 0.135 | 0.281 | 0.613 | 1.78 | 5.56 | 17.4 | 49.5 |
Run 4 | −0.012 | 0.080 | 0.201 | 0.615 | 1.87 | 5.48 | 16.9 | 49.9 |
Run 5 | −0.074 | 0.103 | 0.218 | 0.602 | 1.85 | 5.54 | 16.9 | 49.9 |
Run 6 | 0.061 | 0.088 | 0.194 | 0.620 | 1.85 | 5.48 | 17.0 | 49.8 |
Run 7 | 0.066 | 0.202 | 0.627 | 1.82 | 5.56 | 16.8 | 49.9 | |
Run 8 | 0.234 | 0.323 | 0.525 | 2.11 | 5.23 | 17.5 | 49.8 | |
Run 9 | 0.214 | 0.240 | 0.583 | 1.82 | 5.43 | 17.8 | 49.2 | |
N (total number of runs) | 5 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Inter-assay mean | −0.014 | 0.120 | 0.231 | 0.602 | 1.86 | 5.5 | 17.2 | 49.7 |
SD | 0.049 | 0.063 | 0.044 | 0.031 | 0.099 | 0.121 | 0.350 | 0.237 |
CV% | −362 | 52.1 | 19.0 | 5.2 | 5.3 | 2.2 | 2.0 | 0.5 |
Inter-assay RE, % | −159 | 74.2 | 12.4 | −2.5 | 0.4 | −1.8 | 2.7 | −0.5 |