Table 3.
Intra-day imprecision (% RSDa, N=5) |
Inter-day imprecision (% RSD, N=20) |
Accuracy (% of target, N=20) |
|||||||
---|---|---|---|---|---|---|---|---|---|
Low | Medium | High | Low | Medium | High | Low | Medium | High | |
OH-cotinineb | 7.8 | 7.4 | 5.5 | 16.6 | 5.5 | 5.2 | 84.7 | 77.6 | 77.0 |
Cotinine | 5.8 | 7.4 | 5.1 | 19.9 | 5.8 | 5.2 | 88.0 | 97.2 | 94.2 |
Norcotinine | 7.7 | 3.9 | 3.9 | 9.8 | 5.3 | 4.5 | 82.3 | 77.8 | 76.6 |
Nornicotine | 16.9 | 5.5 | 3.9 | 19.8 | 7.8 | 5.9 | 90.5 | 79.0 | 77.8 |
Nicotine | 10.7 | 6.7 | 6.8 | 10.8 | 7.4 | 6.8 | 105.6 | 93.4 | 93.2 |
Relative standard deviation
trans-3’-Hydroxycotinine