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Table 2 Mortality of Anopheles gambiae s.l. following exposure to deltamethrin with and without pre-exposure to the synergist PBO (2013)

From: A village level cluster-randomized entomological evaluation of combination long-lasting insecticidal nets containing pyrethroid plus PBO synergist in Southern Mali

Village

Number tested deltamethrin

Number tested deltamethrin + PBO

% mortality deltamethrin (95% CI)

% mortality delta + PBO (95% CI)

P value

Deltamethrin LLIN distributed

 Beko east

103

69

0 (0)

18 (10–30)

0.001

 Dalabani

101

102

50 (40–61)

71 (61–79)

0.003

 Berila

104

101

13 (7–20)

81 (72–88)

0.001

 Dierila

102

103

57 (47–67)

76 (66–84)

0.004

 Total

410

375

29 (24–33)

66 (61–71)

0.001

Deltamethrin + PBO LLIN distributed

 Beko west

103

69

0 (0)

17 (10–30)

0.001

 Farabacoura east

101

103

88 (80–94)

92 (85–97)

0.323

 Kola Djakada

104

99

20 (13–29)

47 (37–58)

0.001

 Tieblembougou

100

102

47 (37–57)

66 (56–75)

0.007

 Total

408

373

38 (33–33)

60 (55–65)

0.001