Table 1 Number of Anopheles gambiae s.l. mosquitoes tested and percentage mortality observed in insecticide susceptibility tests.
Study site | Variable | DDT (4%) | Insecticide Permethrin (0.75%) | Deltamethrin (0.05%) |
|---|---|---|---|---|
Brikama | No. exposed | 160 | 150 | 155 |
| Â | No. dead (%) | 160 (100) | 150 (100) | 155 (100) |
| Â | 95% CI$ | 97.8, 100 | 97.6, 100 | 97.6, 100 |
|  | % alive An. arabiensis* | NA†| NA | NA |
Essau | No. exposed | 80 | 63 | 66 |
| Â | No. dead (%) | 57 (71.3) | 56 (88.9) | 61 (92.4) |
| Â | 95% CI | 60.0, 80.8 | 78.4, 95.4 | 83.2, 97.5 |
| Â | % alive An. arabiensis | 100 | 85.7 | 75.0 |
Farafenni | No. exposed | 78 | 76 | 81 |
| Â | No. dead (%) | 71 (91.0) | 72 (94.7) | 75 (92.6) |
| Â | 95% CI | 82.4, 96.3 | 87.1, 98.5 | 84.6, 97.2 |
| Â | % alive An. arabiensis | 100 | 75.0 | 83.3 |
Mansakonko | No. exposed | 22 | 18 | 22 |
| Â | No. dead (%) | 21 (95.5) | 16 (88.9) | 22 (100) |
| Â | 95% CI | 77.2, 99.9 | 65.3, 98.6 | 84.6, 100 |
| Â | % alive An. arabiensis | 100 | 50 | NA |
Kuntaur | No. exposed | 38 | 41 | 38 |
| Â | No. dead (%) | 38 (100) | 40 (97.6) | 37 (97.4) |
| Â | 95% CI | 84.6, 100 | 92.5, 100 | 91.9, 100 |
| Â | % alive An. arabiensis | NA | 100 | NA |
Basse | No. exposed | 22 | 19 | 20 |
| Â | No. dead (%) | 22 (100) | 19 (100) | 20 (100) |
| Â | 95% CI | 84.6, 100 | 82.4, 100 | 83.2, 100 |
| Â | % alive An. arabiensis | NA | NA | NA |