Table 4 Impact on fertility against wild, pyrethroid-resistant Anopheles gambiae sensu lato entering experimental huts in Covè, southern Benin

Untreated net (control)

–

138.0

448

439

98.0^a (96.7–99.3)

–

Interceptor^®

New unwashed

138.0

368

355

96.5^ab (94.6–98.4)

1.5 (−2.0–5.0)

Washed 20 times

138.0

770

735

95.5^bc (94.0–97.0)

2.6 (−0.7–5.9)

Field-aged 3 years

454.2

190

185

97.4^abcd (95.1–99.7)

0.6 (−3.1–4.3)

PermaNet^® 3.0

New unwashed

138.0

115

100

87.0^d (80.9–93.1)

11.2 (5.9–16.5)

Washed 20 times

138.0

478

451

94.4^bc (92.3–96.5)

3.7 (0.1–7.3)

Field-aged 3 years

369.3

186

174

93.5^abcd (90.0–97.0)

4.6 (0.3–8.9)

Royal Guard^®

New unwashed

138.0

151

30

19.9^e (13.5–26.3)

79.7 (74.3–85.1)

Washed 20 times

138.0

782

597

76.3^f (73.3–79.3)

22.1 (18.0–26.2)

Field-aged 3 years

500.2

249

174

69.9^f (64.2–75.6)

28.7 (23.5–33.9)

Interceptor^® G2

New unwashed

138.0

201

190

94.5^bcd (91.3–97.7)

3.6 (−0.5–7.7)

Washed 20 times

138.0

329

316

96.0^ab (93.9–98.1)

2.0 (−1.6–5.6)

Field-aged 3 years

566.2

290

271

93.4 ^cd (90.5–96.3)

4.7 (0.7–8.7)