Table 4 Allelic frequency of the L1014F kdr mutation in An. coluzzii and An. gambiae s.s.

From: Efficacy of pyrethroid-pyriproxyfen and pyrethroid-chlorfenapyr nets on entomological indicators of malaria transmission: third year of a randomised controlled trial in Benin

Locations

Molecular species

Arms

N of An. gamb

RR

RS

SS

F (L1014F Kdr)

95% CI

OR (95% CI)

p-value

Indoor

Anopheles coluzzii

Std LLIN

646

402

202

42

77.9a

75.6–80.1

1 (Ref)

PPF LLIN

485

259

179

47

71.9b

69.0–74.7

0.73 (0.6–0.88)

0.0011

CFP LLIN

431

247

157

27

75.5a

72.7–78.4

0.88 (0.71–1.08)

0.219

Anopheles gambiae s.s

Std LLIN

207

180

21

6

92.0a

89.4–94.6

1 (Ref)

PPF LLIN

230

204

19

7

92.8a

90.5–95.2

1.12 (0.68–1.85)

0.6562

CFP LLIN

213

181

28

4

91.5a

88.9–94.2

0.94 (0.57–1.53)

0.7998

Outdoor

Anopheles coluzzii

Std LLIN

585

344

196

45

75.6a

73.1–78.0

1 (Ref)

PPF LLIN

369

221

118

30

75.9a

72.8–79.0

1.02 (0.82–1.26)

0.8719

CFP LLIN

340

197

124

19

76.2a

73–79.4

1.03 (0.81–1.32)

0.7854

Anopheles gambiae s.s

Std LLIN

169

150

11

8

92.0a

89.1–94.9

1 (Ref)

PPF LLIN

192

173

14

5

93.8a

91.3–96.2

1.3 (0.74–2.3)

0.3642

CFP LLIN

164

140

16

8

90.2a

87.0–93.5

0.8 (0.46–1.39)

0.4354

  1. Pyr LLIN standard pyrethroid-only LLIN, Pyr-PPF LLIN pyrethroid-pyriproxyfen LLIN, Pyr-CFP LLIN pyrethroid-chlorfenapyr LLIN, OR odds ratio, CI confidence interval, N of An. gamb Number of tested An. gambiae s.l., F allelic frequency; a,b,c,dValues of F(L1014F kdr) with the same superscript in a given species within a same location are statistically similar.