Table 1 Knockdown times and percent suppression of knockdown recorded in six Anopheles gambiae. populations from Cameroon
Locality | Test | N | kdT50[CI95] (min) | kdT95[CI95] (min) | %kdts |
|---|---|---|---|---|---|
Nkolondom | 4%DDT | 92 | >60 | >60 | |
0.25%DEF + 4%DDT | 89 | >60 | >60 | 61.7 | |
8%DEM + 4%DDT | 86 | >60 | >60 | - | |
4%PBO + 4%DDT | 82 | >60 | >60 | < 0 | |
0.05%Delta | 89 | 20.1 [17.1-22.8] | 45.0 [39.0-58.3] | ||
0.25%DEF + 0.05%Delta | 94 | 23.1 [22.0-24.1] | 42.8 [40.4-45.9] | < 0 | |
8%DEM + 0.05%Delta | 89 | 21.4 [20.3-22.3] | 37.8 [35.5-40.8] | < 0 | |
4%PBO + 0.05%Delta | 89 | 20.9 [20.0-21.9] | 36.6 [34.5-39.3] | < 0 | |
0.75%Perm | 83 | 40.2 [37.5-42.8] | >60 | ||
0.25%DEF + 0.75%Perm | 87 | 38.1 [36.3-40.0] | >60 | 5.1 | |
8%DEM + 0.75%Perm | 85 | 40.0 [38.1-42.1] | >60 | 0.3 | |
4%PBO + 0.75%Perm | 90 | 33.8 [32.3-45.3] | >60 | 15.8 | |
Nkolbikon | 4%DDT | 91 | >60 | >60 | |
8%DEM + 4%DDT | 86 | >60 | >60 | < 0 | |
0.05%Delta | 87 | 17.1 [16.1-18.1] | 33.7 [31.4-36.7] | ||
0.25%DEF + 0.05%Delta | 62 | 21.1 [19.7-22.4] | 43.6 [40.1-48.4] | < 0 | |
4% PBO + 0.05%Delta | 87 | 14.1 [12.0-16.1] | 42.1 [36.0-52.0] | 17.5 | |
0.75%Perm | 88 | 33.7 [30.4-36.9] | >60 | ||
0.25%DEF + 0.75%Perm | 89 | 20.9 [18.9-22.9] | >60 | 37.9 | |
4%PBO + 0.75%Perm | 87 | 13.7 [12.1-21.2] | >60 | 59.3 | |
Campo | 4%DDT | 87 | >60 | >60 | |
0.25%DEF + 4%DDT | 89 | 50.1 [44.8-58.1] | >60 | 51.8 | |
8%DEM + 4%DDT | 85 | 43.8 [40.5-47.9] | >60 | 57.9 | |
4%PBO + 4%DDT | 87 | 43.7 [41.1-46.7] | >60 | 58.0 | |
0.05%Delta | 95 | 13.7 [12.7-14.7] | 34.1 [31.3-37.4] | ||
0.25%DEF + 0.05%Delta | 88 | 14.5 [13.6-15.4] | 29.9 [27.8-32.8] | <0 | |
8%DEM + 0.05%Delta | 86 | 17.9 [16.9-18.2] | 29.7 [27.9-32.1] | <0 | |
4%PBO + 0.05%Delta | 86 | 20.1 [19.1-21.1] | 36.4 [34.2-39.2] | <0 | |
0.75%Perm | 88 | 37.3 [34.1-40.6] | >60 | ||
0.25%DEF + 0.75%Perm | 80 | 22.7 [19.2-25.8] | >60 | 39.1 | |
8%DEM + 0.75%Perm | 87 | 47.3 [38.8-59.6] | >60 | <0 | |
4%PBO + 0.75%Perm | 82 | 15.5 [14.1-16.8] | 41.0 [37.3-45.9] | 58.4 | |
Bonanloka | 4%DDT | 87 | 37.9 [36.5-39.5] | >60 | |
0.25%DEF + 4%DDT | 83 | 33.2 [31.8-34.6] | >60 | 12.4 | |
8% DEM + 4%DDT | 81 | 48.6 [46.4-51.2] | >60 | <0 | |
4%PBO + 4%DDT | 84 | 37.9 [34.6-41.9] | >60 | 0 | |
0.05%Delta | 78 | 12.8 [10.7-14.7] | 24.1 [20.4-31.6] | ||
0.25%DEF +0.05%Delta | 83 | 15.3 [12.3-17.9] | 31.4 [26.0-42.9] | <0 | |
8%DEM + 0.05%Delta | 84 | 18.9 [18.0-19.8] | 28.5 [26.9-30.7] | <0 | |
4%PBO + 0.05%Delta | 88 | 14.3 [11.5-16.8] | 29.5 [24.4-40.6] | <0 | |
0.75%Perm | 81 | 15.2 [13.2-17.1] | 35.3 [30.7-42.6] | ||
0.25%DEF + 0.75%Perm | 92 | 19.5 [18.6-20.4] | 33.9 [31.9-36.5] | <0 | |
8%DEM + 0.75%Perm | 89 | 16.1 [14.6-17.6] | 30.9 [27.8-35.7] | <0 | |
4% PBO + 0.75%Perm | 80 | 12.4 [11.2-13.4] | 23.8 [21.9-26.5] | 18.4 | |
Makoutchietoum | 4%DDT | 90 | >60 | >60 | |
0.25%DEF + 4%DDT | 81 | >60 | >60 | 27.7 | |
8%DEM + 4%DDT | 80 | >60 | >60 | - | |
4%PBO + 4%DDT | 82 | >60 | >60 | 21.2 | |
0.05%Delta | 86 | 35.3 [33.9-36.7] | >60 | ||
0.25%DEF +0.05%Delta | 83 | 22.2 [21.2-23.1] | 34.3 [32.6-36.7] | 37.1 | |
8%DEM + 0.05%Delta | 83 | 30.1 [28.9-31.3] | 51.8 [48.9-55.6] | 14.7 | |
4%PBO + 0.05%Delta | 88 | 30.3 [28.9-31.6] | >60 | 14.2 | |
0.75%Perm | 84 | >60 | >60 | ||
0.25%DEF + 0.75%Perm | 89 | >60 | >60 | 33.7 | |
8%DEM + 0.75%Perm | 86 | >60 | >60 | 36.5 | |
4%PBO + 0.75%Perm | 78 | 48.7 [46.1-51.9] | >60 | 50.2 | |
Pitoa | 4%DDT | 100 | 39.3 [37.9-40.6] | >60 | |
0.25%DEF + 4%DDT | 91 | 38.1 [36.9-39.3] | 58.9 [56.1-62.7] | 3.1 | |
8%DEM + 4%DDT | 87 | 36.7 [35.5-37.9] | 58.9 [55.9-62.7] | 6.6 | |
4%PBO + 4%DDT | 100 | 37.4 [33.3-41.2] | >60 | 4.8 | |
0.05%Delta | 96 | 10.5 [8.8-12.1] | 21.2 [17.9-27.3] | ||
0.25%DEF + 0.05%Delta | 97 | 7.2 [6.6-7.7] | 13.3 [12.1-15.0] | 31.4 | |
8%DEM + 0.05%Delta | 94 | 9.0 [8.3-9.7] | 19.2 [17.6-21.4] | 14.3 | |
4%PBO + 0.05%Delta | 100 | 18.6 [17.5-19.8] | 45.4 [41.9-49.7] | <0 | |
0.75%Perm | 81 | 16.8 [12.5-20.2] | 39.7 [32.7-55.2] | ||
0.25%DEF + 0.75%Perm | 91 | 11.2 [9.9-13.6] | 32.1 [27.4-39.6] | 33.3 | |
8%DEM + 0.75%Perm | 84 | 18.5 [17.5-19.4] | 26.8 [25.3-28.9] | < 0 | |
4%PBO + 0.75%Perm | 94 | 13.1 [12.5-13.6] | 19.3 [18.1-20.9] | 22.1 |