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Table 4 Summary of experimental hut trial results for Anopheles gambiae at Akron and Malanville field stations

From: Laboratory and field evaluation of the impact of washings on the effectiveness of LifeNet®, Olyset® and PermaNet® 2.0 in two areas, where there is a high level of resistance of Anopheles gambiae to pyrethroids, Benin, West Africa

Net treatment

Total tested/collected

% deterency (95% CI)

% exophily (95% CI)

% blood-fed (95% CI)

Personal protection (no. Fed)

% immediate mortality (95% CI)

% overall mortality (95% CI)

AKRON

       

Untreated net

144

-

47.92 -

26.39 -

-

14.58 [0.16-0.64]

15.97 [0.12-0.47]

Unwashed LifeNet

63

56.25

71.43 [1.44-5.21]

15.87 [0.23-1.12]

73.63

34.92 -

44.44 -

LifeNet 30 X

69

52.08 [0.53-1.35]

81.16 [2.38-9.53]

17.39 [0.28-1.19]

68.42

34.78 [0.48-2.05]

47.83 [0.57-2.29]

LifeNet 40 X

55

61.81 [0.78-2.02]

72.73 [1.48-5.81]

09.09 [0.09-0.72]

86.84

41.82 [0.63-2.84]

47.27 [0.54-2.33]

Olyset 30 X

37

74.31 [1.37-3.71]

59.46 [0.76-3.37]

29.73 [0.51-2.59]

71.05

21.62 [0.19-1.30]

21.62 [0.13-0.86]

Olyset 40 X

40

72.22 [1.24-3.31]

65.00 [0.98-4.25]

20.00 [0.28-1.62]

78.95

32.50 [0.38-2.09]

35.00 [0.29-1.53]

Permanet 30 X

79

45.14 [0.40-1.02]

56.96 [0.83-2.51]

32.91 [0.75-2.49]

31.58

32.91 [0.45-1.85]

36.71 [0.37-1.43]

Permanet 40 X

103

28.47 [0.19-0.51]

45.63 [0.55-1.31]

38.83 [1.03-3.05]

-5.26

16.50 [0.18-0.77]

18.45 [0.14-0.58]

MALANVILLE

       

Untreated net

911

-

31.39 -

15.48 -

-

00.99 [0.02-0.06]

01.65 [0.01-0.03]

Unwashed LifeNet

676

25.8

58.88 [2.54-3.85]

05.47 [0.21-0.46]

73.76

23.22 -

44.97 -

LifeNet 30 X

563

38.2 [1.46-2.17]

54.88 [2.14-3.30]

07.99 [0.33-0.67]

60.09

17.23 [0.52-0.91]

30.37 [0.42-0.68]

LifeNet 40 X

679

25.47 [0.80-1.21]

59.20 [2.58-3.90]

07.95 [0.34-0.65]

61.70

19.15 [0.60-1.02]

36.23 [0.56-0.86]

Olyset 30 X

581

36.22 [1.34-1.99]

48.71 [1.67-2.57]

10.84 [0.48-0.91]

55.32

13.25 [0.37-0.68]

29.43 [0.40-0.64]

Olyset 40 X

484

46.87 [2.08-3.09]

53.72 [2.02-3.18]

11.57 [0.51-0.99]

60.28

17.77 [0.53-0.95]

26.86 [0.35-0.58]

  1. -: means reference rate.