Table 3 Intra-day and inter-day precision and accuracy of SAX and 5-OH SAX
Analytes | Norminal concentration (ng/mL) | Intra-day (n = 5) | Inter-day (n = 5) | ||||
|---|---|---|---|---|---|---|---|
Measured concentration (ng/mL) | Accuracy (%) | Precision (RSD, %) | Measured concentration (ng/mL) | Accuracy (%) | Precision (RSD, %) | ||
SAX | 5 | 5.06 | 101.24 | 5.63 | 4.97 | 99.32 | 6.21 |
15 | 14.92 | 99.45 | 2.79 | 14.93 | 99.55 | 3.40 | |
1000 | 1004.60 | 100.46 | 1.25 | 999.88 | 99.99 | 1.97 | |
2000 | 2003.18 | 100.16 | 2.21 | 1985.63 | 99.28 | 3.01 | |
5-OH SAX | 1 | 1.06 | 106.20 | 7.43 | 1.03 | 103.00 | 9.11 |
3 | 3.01 | 100.47 | 3.88 | 3.16 | 105.47 | 6.71 | |
200 | 200.93 | 100.46 | 1.82 | 203.78 | 101.89 | 3.71 | |
400 | 402.18 | 100.55 | 1.10 | 400.21 | 100.05 | 4.21 | |