Table 1 Knock-down times for 50 and 95 % of the Kisumu susceptible strain and the Pitoa Anopheles gambiae s.l. population to DDT, permethrin and deltamethrin diagnostic concentrations
Diagnostic concentrations | Kisumu strain | Pitoa popualtion | |||||||
|---|---|---|---|---|---|---|---|---|---|
N | kdT50[CI] (min) | kdT95[CI] (min) | Mortality (%) | N | kdT50[CI] (min) | kdT95[CI] (min) | KDT50R | Mortality (%) | |
4 % DDT | 80 | 19.8 [17.5–21.3] | 31.2 [28.5–33.1] | 100 | 85 | 40.3 [38.1–43.1] | >60 | 2.0 | 76.5 |
0.05 % Deltamethrin | 91 | 10.1 [8.2–12.8] | 22.2 [20.1–24.9] | 100 | 110 | 19.6 [17.9–21.3] | 37.6 [33.2–39.5] | 1.9 | 59.1 |
0.75 % Permethrin | 87 | 9.1 [7.5–11.5] | 21.4 [19.2–23.3] | 100 | 99 | 21.9 [18.7–23.5] | 45.3 [39.8–48.5] | 2.4 | 72.7 |