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Table 1 Entry, exiting and inside net results of wild, pyrethroid-resistant Anopheles gambiae sensu lato entering experimental huts in Covè, southern Benin

From: Does washing insecticide-treated nets 20 times for experimental hut evaluations provide a suitable proxy for their end-of-life performance under household conditions?

Net type

Net status

Mean hole index

N collected*

% Deterrence (95% CIs)

N inside veranda

% Exophily* (95% CIs)

N inside net

% Inside net* (95% CIs)

Untreated net (control)

138.0

882a

358

40.6a (37.4–43.8)

346

39.2a (36.0–32.4)

Interceptor®

New unwashed

138.0

753b

14.6 (5.6–26.3)

441

58.6b (55.1–62.1)

144

19.1bc (16.3–21.9)

Washed 20 times

138.0

1522c

−72.6 (−83.5–61.7)

750

49.3c (46.8–51.8)

498

32.7d (30.3–35.1)

Field-aged 3 years

454.2

706de

20.0 (11.1–28.9)

472

66.9de (63.4–70.4)

1

0.1e (0.0–0.3)

PermaNet® 3.0

New unwashed

138.0

504de

42.9 (34.6–51.2)

378

75.0f (71.2–78.8)

65

12.9f (10.0–15.8)

Washed 20 times

138.0

1292cf

−46.5 (−56.9–36.1)

845

65.4d (62.8–68.0)

222

17.2bc (15.1–19.3)

Field-aged 3 years

369.3

823b

6.7 (−2.5–15.9)

589

71.6ef (68.5–74.7)

9

1.1 g (0.4–1.8)

Royal Guard®

New unwashed

138.0

1201f

−36.2 (−46.3–26.1)

883

73.5f (71.0–76.0)

91

7.6 h (6.1–9.1)

Washed 20 times

138.0

1492c

−69.2 (−80.0–58.4)

879

58.9b (56.4–61.4)

357

23.9i (21.7–26.1)

Field-aged 3 years

500.2

974a

−10.4 (−20.0–0.8)

729

74.8f (72.1–77.5)

3

0.3e (0.0–0.6)

Interceptor® G2

New unwashed

138.0

828be

6.1 (−3.1–15.3)

521

62.9bd (59.6–66.2)

135

16.3b (13.8–18.8)

Washed 20 times

138.0

1141f

−29.4 (−39.4–19.4)

670

58.7b (55.8–66.2)

259

22.7ci (20.3–25.1)

Field-aged 3 years

566.2

850be

3.6 (−5.6–12.8)

587

69.1de (55.8–61.6)

5

0.6eg (0.1–1.1)

  1. *Values in the same column bearing the same letter do not differ significantly at the 5% level, according to regression analysis. CIs = confidence intervals