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Table 2 Kisumu and OCEAC Laboratory strains of Anopheles gambiae s.s. response to permethrin EC freshly treated nets.

From: Reduced bio-efficacy of permethrin EC impregnated bednets against an Anopheles gambiae strain with oxidase-based pyrethroid tolerance

Variables Nets Kisumu strain OC-Lab strain X2 p
No % No %
Kd rates Untreated 50 0 50 0   
  Permethrin EC (500 mg/m2) 100 100 100 97 3.04 0.08
Mt rates Untreated 50 0 50 2   
  Permethrin EC (500 mg/m2) 100 89 100 68 13.06 <0.001
  1. Kd: Knockdown rates 60 minutes post-exposure, Mt: Mortality rates 24 hours post-exposure, No: number of tested mosquitoes, p: Probability at 5%.