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Table 4 Comparison of infection, infective and potential infective rates in parous Chrysops between the two study periods

From: Impact of repeated ivermectin treatments against onchocerciasis on the transmission of loiasis: an entomologic evaluation in central Cameroon

Study period

 

No of chrysops dissected

Number parous

Percentage parous (%)

Infection rate in parous (%)

Infective rate in parous (%)

Potential infective rate in parous

  

S

D

S+D

S

D

S+D

S

D

S+D

S

D

S+D

S

D

S+D

S

D

S+D

Baseline

 

831

145

976

289

55

344

34.5

37.9

35.2

19.4

23.1

20.1

5.9

5.5

5.8

8

7.3

7.8

2012

 

1448

110

1558

389

34

423

26.9

30.9

27.2

11.1

11.8

11.1

6.2

8.8

6.4

7.7

8.8

7.8

 

p-value

    

0.00007

0.24

0.00001

0.002

0.16

0.0005

0.87

0.53

0.74

0.90

0.79

0.98

  1. NB: S= Chrysops silacea; D= Chrysops dimidiata; S+D= both species combined.