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Table 2 Results of χ 2 analysis of the differences in the phenotypic resistance of An. gambiae s.s. versus An. arabiensis when exposed to pyrethroids in Teso District

From: Pyrethroid susceptibility of malaria vectors in four Districts of western Kenya

    % Mortality (Sample size)   
District Cluster Insecticide An. gambiae s.s. An. arabiensis χ2 Pvalue
Teso Akiriamasi Permethrin 50(8) 95(20) 7.89 0.005
Teso Akiriamasit Permethrin 85.7(7) 89.7(39) 0.1 0.75
Teso Kaliwa Permethrin 51.4(37) 7.1(14) 8.32 0.004
Teso Kokare Deltamethrin 85.4(48) 95.4(65) 3.4 0.07
Teso Kokare Permethrin 34.6(26) 71(31) 7.53 0.006
Teso Koteko Permethrin 82.4(51) 90.5(21) 0.76 0.21
Teso Odioi Deltamethrin 47.4(19) 83.3(6) 1.38 0.24
Teso Odioi Permethrin 35.1(97) 5.9(17) 5.78 0.02
Teso Rwatama Permethrin 83.5(79) 50(16) 4.62 0.03
Teso Kengatunyi Deltamethrin 28(43) 100(5) 1.86 0.22
Teso Kaliwa Deltamethrin 50(2) 44(18) 0.02 0.88
Teso Kolanya Deltamethrin 100(2) 78(72) 0.57 0.45
Teso Rwatama Deltamethrin 33(3) 81(77) 3.84 0.05
Teso Adanya Permethrin 100(6) 36(14) 7.01 0.008
Teso Apatit Permethrin 100(17) 0(0) - -
Teso Apokor Permethrin 96(47) 100(1) 0.04 0.83
Teso Kabanyo Permethrin 100(17) 100(2)   
Teso Katelepai Permethrin 50(42) 0(1) 0.98 0.32
Teso Kengatunyi Permethrin 86(79) 100(4) 0.64 0.42