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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%.