Table 4.
Type of Sample | Concentration Added (ng/mL) | Recovery (%) | SD * | Matrix Effect (%) | SD * |
---|---|---|---|---|---|
Serum | 1 | 95.38 | 8.65 | 110.63 | 8.05 |
20 | 92.95 | 5.63 | 108.50 | 8.70 | |
90 | 93.21 | 5.73 | 103.88 | 5.30 | |
180 | 95.61 | 4.43 | 100.35 | 3.67 | |
Saliva | 1 | 96.30 | 7.73 | 113.95 | 6.13 |
10 | 96.79 | 3.73 | 107.35 | 5.23 | |
40 | 97.74 | 4.03 | 107.40 | 5.84 | |
90 | 98.07 | 4.49 | 103.67 | 4.42 |
* SD—standard deviation.