Skip to main content

Table 2 Summary of test results using bioassay boards with and without holes

From: WHO cone bioassay boards with or without holes: relevance for bioassay outcomes in long-lasting insecticidal net studies

KD60

Ae. aegypti

An. farauti

Holes

No holes

Holes

No holes

PermaNet 2.0 (2012)

98.8%

(95.6–99.9)

99.4%

(96.5–99.9)

98.7%

(93.2–100.0)

100%

(95.3–100)

PermaNet 2.0 (2019)

17.1%

(11.6–23.9)

20%

(14.1–27.0)

33.8%

(23.6–45.2)

47.5%

(36.2–59.0)

Interceptor

45.0%

(36.6–53.6)

53.2%

(44.6–61.7)

74.1%

(63.1–83.2)

68.4%

(56.9–78.4)

Yorkool

64.4%

(56.9–71.5)

77.8%

(70.7–84.2)**

83.8%

(73.8–91.1)

53.2%

(41.6–64.5)***

SafeNet

74.3%

(67.2–80.6)

78.8%

(72.1–84.5)

82.1%

(71.7–89.8)

80.3%

(69.9–88.3)

Average

60.7%

( 57.3–64.1)

66.4%

(63.0–69.7)*

74.4%

(69.8–78.6)

69.7%

(64.9–74.2)

M24

Ae. Aegypti

An. Farauti

 

Holes

No holes

holes

No holes

PermaNet 2.0 (2012)

68.1%

(60.3–75.3)

66.2%

(58.3–73.4)

98.7%

(93.2–100.0)

100%

(95.3–100)

PermaNet 2.0 (2019)

12.7%

(7.9–18.9)

12.5%

(7.8–18.6)

39.8%

(28.1–50.3)

30%

(20.3–41.3)

Interceptor

19.3%

(13.1–26.8)

30.2%

(22.7–38.6)*

39.5%

(28.8–51.0)

29.1%

(19.4–40.4)

Yorkool

27.7%

(21.2–34.9)

39.6%

(32.0–47.7)*

68.8%

(57.4–78.7)

39.2%

(28.4–50.9)**

SafeNet

47.4%

(39.8–55.1)

57.0%

(49.4–64.4)

56.4%

(44.7–67.6)

43.1%

(32.2–54.7)

Average

35.6%

(32.3–39.0)

41.7%

(38.2–45.2)*

60.3%

(53.3–65.1)

48.0%

(43.0–53.0)**

  1. Results are presented as proportions (in %) and their 95% confidence intervals (in parentheses). Resulting KD60 and M24 for the different bioassay board configurations were compared using Z-tests of proportions
  2. *0.01 < p < 0.05; **0.001 < p < 0.01;***p < 0.001