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Research Article

Table 7

Mortality rates for An. gambiae s.l. and An. funestus field populations after exposure to 4% DDT, 0.75% permethrin, and 0.05% deltamethrin in Mendong and Nsam.

Site Insecticide Species
An. gambiae s.l.
An. funestus
N Mortality (%) 95% CI N Mortality (%) 95% CI
Mendong 0.05% deltamethrin 236 62.5 40.3–60.7 75 33.33 21.6–49.2
0.75% permethrin 193 13.89 42.2–60.8 75 65 48.3–86.4
4% DDT 100 2 0.2–7.2 50 76 53.8–104.3
Nsam 0.05% deltamethrin 100 3 0.62–8.8
0.75% permethrin 100 0 0–3.7
4% DDT 100 0 0–3.7

DDT: dichlorodiphenyltrichloroethane; N: number of mosquitoes tested; 95% CI: 95% confidence interval.