Table 3.

Mortality results of wild, pyrethroid-resistant Anopheles gambiae s.l. collected in experimental huts with pyrethroid-chlorfenapyr nets and pyrethroid-piperonyl butoxide nets applied alone and in combination in Covè, Benin

Trial component	Treatment	N*	N dead 72 h	% 72 h mortality*	95% CIs	% Overall killing effect
Trial 1*
Single nets	Untreated net	835ab	6	0.7a	0.1–1.3	–
	Interceptor	352c	79	22.4b	18.0–26.8	8.7
	DuraNet Plus	644de	241	37.4c	33.7–41.1	28.1
	Interceptor G2	309c	253	81.9de	77.6–86.2	29.6
Double net combinations	Untreated net + Untreated net	1423f	7	0.5a	0.1–0.9	–
	Interceptor + Interceptor	659ad	105	15.9b	13.1–18.7	6.9
	DuraNet Plus + DuraNet Plus	836a	401	48.0f	44.6–51.4	27.7
	Interceptor G2 + Interceptor G2	495be	420	84.8d	81.6–88.0	29.0
	Interceptor G2 + Interceptor	569be	346	60.8g	56.8–64.8	23.8
	Interceptor G2 + DuraNet Plus	574be	427	74.4e	70.8–78.0	29.5
Trial 2*
Single nets	Untreated net	179vw	5	2.8v	0.4–5.2	–
	PermaNet 3.0	213vwy	80	37.6w	31.1–44.1	41.9
	Interceptor G2	195vw	143	73.3xy	67.1–79.5	77.1
	PermaNet Dual	164w	111	67.7x	60.5–74.9	59.2
Double net combinations	Untreated net + Untreated net	466z	17	3.6v	1.9–5.3	–
	PermaNet 3.0 + PermaNet 3.0	289vwy	127	43.9w	38.2–49.6	23.6
	PermaNet Dual + PermaNet Dual	351xz	290	82.6y	78.6–86.6	58.6
	PermaNet Dual + PermaNet 3.0	281y	161	57.3z	51.5–63.1	30.9

^*Results are presented separately for trials involving containing alpha-cypermethrin-based nets (trial 1) and deltamethrin-based nets (trial 2)

^*For each trial, values in the same column do not differ at the 5% level (p > 0.05) according to logistic regression analysis