Table 2 Ae. aegypti mortality rates after exposure to insecticides in 2016 and 2017 using WHO tubes standard bioassay guidelines. The chi-square is calculated, and the probability comparing 2016 and 2017 data and insecticides of the same family are shown
Mortality (%) with 95% CI | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Carbamate | χ2 (p) | Organophosphate | χ2 (p) | Pyrethroid | χ2 (p) | ||||
Propoxur | Bendiocarb | Fenitrothion | Malathion | Permethrin | Deltamethrin | ||||
2016 | 54.74 [44.74–64.37] | 91.92 [84.86–95.85] | 9.43 (0.002) | 97.44 [91.12–99.29] | 100 [96.44–100] | 0.03 (0.855) | 20.19 [13.6–28.9] | 36.99 [26.82–48.45] | 4.9 (0.02) |
2017 | 44.32 [34.39–54.72] | 81.91 [72.93–88.39] | 11.19 (0.0008) | 100 [96.19–100] | 97.87 [92.57–99.41] | 0.02 (0.879) | 15.28 [8.75–25.32] | 25.84 [17.88–35.80] | 2.7 (0.09) |
χ2 (p) | 1.09 (0.29) | 0.57 (0.45) | 0.03 (0.86) | 0.02 (0.88) | 0.7 (0.41) | 1.98 (0.16) | |||