Table 2 Knock-down times for 50 and 95 % of the Kisumu susceptible and the Pitoa resistant Anopheles gambiae s.l. strain to increased concentrations of deltamethrin on impregnated papers

0.001

80

34.6 [12.2–42.1]

>60

78

>60

>60

2.2

0.005

96

18.6 [17.9–19.4]

26.1 [24.4–28.9]

67

48.3 [40.7–60.2]

>60

2.5

0.01

68

18.4 [17.5–19.4]

27.2 [24.9–31.0]

98

21.7 [18.5–24.9]

57.2 [45.8–82.3]

1.2

0.05

90

3.9 [5.9×10^–6–2.6×10⁶]

17.7 [9.1×10⁻³–3.4×10⁴]

110

17.8 [15.9–19.6)

59.3 [52.0–69.9]

4.6

0.1

92

1.3 [7.5×10⁻⁵–2.6×10⁴]

9.3 [0.06–1.4×10³]

74

9.6 [8.6–10.0]

32.3 [28.0–38.5]

7.4

0.5

94

0.8 [1.8×10⁻⁸–3.7×10⁷]

6.6 [2.5×10⁻⁴–1.6×10⁵]

87

7.0 [4.0–9.0]

17.2 [14.1–24.3]

8.7