Table 1 Comparison of the level susceptibility of mosquitoes to permethrin and deltamethrin between 2010 and 2013 in Yaoundé and Douala
Insecticide | City | Site | 2010 | 2013 | Odds ratio (2010 vs 2013) | P value |
|---|---|---|---|---|---|---|
(2010 vs 2013) | ||||||
% mortality | % mortality | |||||
(95% CI) | (95% CI) | |||||
Permethrin | Douala | Unpolluted | 80.3% (73–88.2) | 32.5% (28–37.5) | 8.47 | <0.00001 |
Yaoundé | Unpolluted | 75.6% (66.7-85.3) | 36.8% (48.8-61.1) | 5.31 | <0.00001 | |
Yaoundé | Cultivated | 56.7% (43.2-73.2) | 22.3% (14.2-33.5) | 4.56 | <0.00001 | |
Deltamethrin | Douala | Unpolluted | 94.4% (87.5-100) | 60% (54.1-66.4) | 11.35 | <0.00001 |
Yaoundé | Unpolluted | 93.1% (82.8-100) | 61.9% (55.1-69.4) | 8.26 | <0.00001 | |
yaoundé | Cultivated | 85% (71.6-100) | 59.7% (48.2-73.3) | 3.83 | <0.00001 |