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Table 2 Blood feeding inhibition induced by BFUs on released Ae. aegypti.

From: New protective battle-dress impregnated against mosquito vector bites

 

Untreated BFU

Unwashed permethrin-treated BFU

Permethrin-treated BFU washed 10 times

Permethrin-treated BFU washed 20 times

Unwashed KBR-treated BFU

Unwashed PM/KBR-treated BFU

Total females caught

351

300

260

317

391

404

Total females blood fed

223

84

90

126

92

61

Blood fed females (%)

63.53

28.00

34.61

39.74

23.52

15.09

95% Confidence limits

55.50-72.15

22.74-34.83

27.94-42.27

33.36-47.28

19.10-28.76

11.74-19.38

Blood Feeding Inhibition (%)

-

56.25

45.31

37.50

62.50

76.56

Relative Risk (RR)

1

0.44

0.54

0.62

0.37

0.23

95% Confidence limits

-

0.35-0.55

0.43-0.67

0.51-0.75

0.29-0.45

0.18-0.30

p

-

p < 0.0001

p < 0.0001

p < 0.0001

p < 0.0001

p < 0.0001

  1. The relative risk (RR) represents the decrease factor of blood feeding rate due to the treatment on BFUs.