Table 1.
Accuracy and precision of QC and select calibrator samples quantitated. With and without the voglibose internal standard.
| Sample expected conc (ng/mL) | Calculated with voglibose |
Calculated without voglibose |
||||
|---|---|---|---|---|---|---|
| Calc conc (ng/mL) | Accuracy of mean (%) | Precision (% CV) | Calc conc (ng/mL) | Accuracy of mean (%) | Precision (% CV) | |
| Within-day variation (n = 4) | ||||||
| 7.48 | 7.96 | 106% | 8.40% | 7.84 | 105% | 5.10% |
| 75.9 | 72.3 | 95.0% | 8.03% | 74.3 | 98.0% | 6.91% |
| Between-day variation (n = 20) | ||||||
| 7.48 (QCL) | 7.60 | 102% | 6.33% | 7.89 | 106% | 11.50% |
| 75.9 (QCH) | 76.8 | 101% | 8.04% | 77.0 | 101% | 4.27% |
| Calibration samples (n = 20) | ||||||
| 2.80 | 2.76 | 98.5% | 10.1% | 2.91 | 104.0% | 15.1% |
| 52.3 | 49.6 | 94.8% | 7.33% | 50.2 | 96.0% | 5.90% |
| 249 | 248 | 99.5% | 3.74% | 248 | 99.4% | 2.80% |