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Table 3 Association between mutations at codon 1532 and 1534 of the voltage-gated sodium channel gene and phenotypic resistance to deltamethrin in Aedes albopictus populations in China

From: Insecticide susceptibility status and knockdown resistance (kdr) mutation in Aedes albopictus in China

Population

Phenotype

n

Odds ratio (95% CI)

P–value of Fisher’s exact probability test

   

F1534S

F1534C

F1534L

I1532T

F1534S

F1534C

F1534L

I1532T

BJ

R

20

na

na

na

4.200 (1.350-13.065)

0.241

na

na

0.019*

 

S

20

        

SJZ

R

20

na

na

3.162 (0.315-31.775)

1.202 (0.365-3.955)

na

na

0.615

1.000

 

S

20

        

HZ

R

20

2.786 (1.125-6.899)

na

na

1.370 (0.286-6.559)

0.043*

na

na

1.000

 

S

20

        

WH

R

20

3.273 (1.211-8.844)

na

na

na

0.031*

na

na

0.494

 

S

20

        

MS

R

20

3.316 (1.286-8.550)

na

na

0.649 (0.103-4.110)

0.021*

na

na

1.000

 

S

20

        

GZ

R

24

2.981 (1.194-7.446)

1.597 (0.403-6.329)

5.750 (0.538-61.409)

na

0.025*

0.722

0.279

na

 

S

24

        

ZJ

R

18

3.082 (1.146-8.289)

na

na

na

0.030*

na

na

na

 

S

20

        

LS

R

24

3.827 (1.261-11.615)

1.805 (0.591-5.513)

na

na

0.019*

0.407

na

na

 

S

24

        

Total

R

166

2.509 (1.789-3.518)

1.192 (0.645-2.203)

4.256 (0.848-21.358)

1.864 (1.007-3.449)

< 0.001*

0.636

0.074

0.045*

 

S

168

        
  1. R, resistant; S, susceptible; na, not applicable
  2. *P < 0.05