Table 3. Residual plasma concentrations of antimalarials found prior to treatment in 148 malaria patients [ng/mL].
| Antimalarial | Patients (%) | Mean | Median | Minimum | Maximum |
| Lumefantrine | 80 (54.1) | 25.3 | 15.8 | 4.4 | 181.8 |
| Desbutyl-lumefantrine | 7 (4.7) | 7.3 | 5.9 | 4.8 | 12.2 |
| Sulfadoxine | 77 (52.0) | 4′480.2 | 4.4 | 0.6 | 138′887.5 |
| Pyrimethamine | 15 (10.1) | 56.8 | 7.1 | 0.9 | 391.3 |
| Quinine | 16 (10.8) | 318.0 | 26.3 | 4.4 | 2′947.2 |
No artemether, artesunate, dihydroartemisinin, amodiaquine, N-desethyl-amodiaquine, piperaquine, pyronaridine, mefloquine, or chloroquine was found.