Tab. 6.
Incurred samples re-analysis data of atorvastatin and aspirin.
| Sample | Atorvastatin | Aspirin | ||||
|---|---|---|---|---|---|---|
|
| ||||||
| Initial conc. (ng/mL) | Re-assay conc. (ng/mL) | Differencea (%) | Initial conc. (ng/mL) | Re-assay conc. (ng/mL) | Differencea (%) | |
| 1 | 13.4 | 13.0 | −3.1 | 445 | 431 | −3.3 |
| 2 | 8.4 | 7.9 | −6.9 | 26.2 | 25.6 | −2.0 |
| 3 | 7.7 | 6.9 | −10.4 | 520 | 555 | 6.4 |
| 4 | 9.2 | 10.4 | 11.8 | 44.4 | 40.6 | −9.0 |
| 5 | 8.7 | 9.0 | 3.3 | 326 | 337 | 3.3 |
| 6 | 6.0 | 6.3 | 5.6 | 116 | 127 | 8.8 |
| 7 | 8.9 | 9.0 | 1.2 | 386 | 401 | 3.9 |
| 8 | 1.1 | 1.0 | −7.8 | 23.2 | 20.7 | −11.5 |
| 9 | 10.8 | 11.6 | 7.1 | 327 | 345 | 5.2 |
| 10 | 3.5 | 3.8 | 7.5 | 26.6 | 25.3 | −4.9 |
| 11 | 8.5 | 9.5 | 11.1 | 378 | 362 | −4.3 |
| 12 | 4.1 | 4.3 | 4.0 | 22.5 | 24.6 | 9.1 |
a
Expressed as [(re-assay conc. − initial conc.)/average] × 100%.