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Table 1 Percentage mortality and (in brackets) total number of mosquitoes test and KDT50 and KDT95 values for the different Insecticides tested

From: Status of insecticide susceptibility in Anopheles arabiensis from Mwea rice irrigation scheme, Central Kenya

Insecticide Sample % mortality(n) KDT50 (95% CI) KDT95 (95% CI) χ2
DDT Mwea 100 (411) 25.51(23.95–27.0) 49.89(46.44–54.32) 3.73ns
(4%) KSM Strain 99.23 (130) 62.51(56.94–70.45) 210.56(161.84–309.73) 6.84ns
Fenitrothion Mwea 100 (405) 55.02(46.81–62.39) 95.1(88.89–121.83) 91.28*
(1%) KSM Strain 100 (131) 88.90(83.68–95.20) 130.40(123.56–151.10 25.38*
Bendiocarb Mwea 100 (366) 21.31(19.95–22.61) 37.85(35.06–41.65) 2.4ns
(0.1%) KSM Strain 100 (127) 14.10(13.19–15.05) 22.87(20.93–25.66) 0.23ns
Lambda-Ca Mwea 99.61(525) 21.58(20.09–23.01) 43.00(39.53–47.57) 12.55ns
(0.05%) KSM Strain 100 (119) 19.78(15.61–23.39) 57.42(48.96–78.73) 19.78*
Permethrin Mwea 100 (429) 17.24(15.94–18.49) 34.77(31.75–38.90) 2.01ns
(0.75%) KSM Strain 100 (123) 27.75(22.31–32.88) 66.96(58.66–98.11) 14.5*
  1. aLambdacyhalothrin
  2. χ2 values are for the test of fit of the log-time probit model used to estimate the KDT50 and KDT95values; ns = deviations not significant; * = deviations significant, P < 0.05