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Table 1 Knockdown median proportion for An. albimanus in Huaquillas (HQ) and Santa Rosa (SR) in El Oro province, Ecuador.

From: Phenotypic resistance not associated with knockdown mutations (kdr) in Anopheles albimanus exposed to deltamethrin in southern coastal Ecuador

Huaquillas (HQ)

Santa Rosa (SR)

Time (minutes)

# Knockdown

# Non- affected

Kd %

# Knockdown

# Non- affected

Kd %

p-value

0

0

116

0.00

0

115

0.00

 

15

74

42

74.2

50

65

45.6

 

30

79

37

82.1

74

41

63.3

0.06048

45

82

34

82.1

87

28

70.3

 

60

95

21

81.7

95

20

83.2

 

75

99

17

82.5

100

15

90.0

 

90

101

15

88.4

106

9

94.4

 

105

111

5

95.5

109

6

94.4

 

120

108

8

93.2

110

5

97.4

 

1440

98

18

84.5

107

8

97.1

 
  1. Bold values corresponded to the median knockdown rate obtained at 30 minutes which constitutes the diagnosis time to determine the state of susceptibility or resistance of the population
  2. Number of individuals counted as knockdown and alive (non-affected) by time and locality. In bold, the knockdown percentage at diagnostic time (30 min) and the associated p value by Wilcoxon test
  3. Kd%: median knockdown rate