Skip to main content

Table 3 WHO bioassays with permethrin 0.75% and synergist, piperonyl butoxide (PBO) and Aedes aegypti from Jeddah, KSA (OR odds ratio, α = 0.05, * = significance)

From: Voltage-sensitive sodium channel (Vssc) mutations associated with pyrethroid insecticide resistance in Aedes aegypti (L.) from two districts of Jeddah, Kingdom of Saudi Arabia: baseline information for a Wolbachia release program

Date Status Permethrin 0.75% PBO 4% only Insecticide + PBO 4% Solvent control
5-Nov-20 Dead 8 3 13 0
5-Nov-20 Alive 17 22 12 75
5-Nov-20 Dead 9 5 14 0
5-Nov-20 Alive 16 20 11 75
26-Oct-20 Dead 20 2 23 0
26-Oct-20 Alive 5 23 2 75
Total Dead 37 10 50 0
  Alive 38 65 25 225
  % mortality 49.3 13.3 66.7 0.0
  OR Lower c.i Upper c.i α = 0.05
Permethrin + PBO/permethrin 0.49 0.25 0.94  
Permethrin + PBO/PBO 0.08 0.03 0.17  
Permethrin/PBO 0.16 0.07 0.35  
Permethrin/permethrin + PBO 2.05 1.06 3.97 *
PBO/permethrin + PBO 13.00 5.72 29.54 *
PBO/permethrin 6.33 2.83 14.16 *