Table 3 Number (%) of failed samples listed by the active ingredient and test
Visual inspection | Disintegration test | Colour reaction | Thin-layer chromatography and ultraviolet-visible spectroscopy | Total | |
|---|---|---|---|---|---|
Chloroquine | 23/39 (59.0%) | 3/39 (7.7%) | 0/39 | 5/39 (12.8%) | 24/39* (61.5%) |
Artesunate | 1/9 (11.1%) | 0/9 | 0/9 | 0/9 | 1/9 (11.1%) |
Lumefantrine/Artemether | 0/4 | 0/4 | 0/4 | 0/4 | 0/4 |
Sulphadoxine/Pyrimethamine | 4/10 (40.0%) | 1/10 (10.0%) | 1/10 (10.0%) | 1/10 (10.0%) | 4/10* (40%) |
Quinine | 0/9 | 0/9 | 0/9 | 3/9 (33.3%) | 3/9 (33.3%) |
Amodiaquine | 0/6 | 0/6 | 0/6 | 0/6 | 0/6 |
Total | 28/77 (36.4%) | 4/77 (5.2%) | 1/77 (1.3%) | 9/76 (11.8%) | 32/77 (41.6%) |