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Table 1 Comparison of the level susceptibility of mosquitoes to permethrin and deltamethrin between 2010 and 2013 in Yaoundé and Douala

From: Rapid evolution of pyrethroid resistance prevalence in Anopheles gambiae populations from the cities of Douala and Yaoundé (Cameroon)

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