Table 4.

Mortality results of wild, pyrethroid-resistant Anopheles gambiae sensu lato in experimental huts in Covè, southern Benin treated with pyrethroid-PBO ITNs, and pirimiphos-methyl IRS applied alone and in combination.

Treatment	Total females caught	Total dead	% mortality*	95% CIs
Trial 1
Untreated net	664	22	3a	2–5
Olyset Plus	511	114	22b	19–26
Bendiocarb IRS	556	87	16c	13–19
Olyset Plus + Bendiocarb IRS	288	95	33d	28–38
P-methyl IRS	531	411	77e	74–81
Olyset Plus + P-methyl IRS	304	178	59f.	53–64
Trial 2
Untreated net	581	12	2u	1–3
PermaNet 3.0	488	127	26v	22–30
Bendiocarb IRS	575	80	14w	11–17
PermaNet 3.0 + Bendiocarb IRS	233	89	38x	32–44
P-methyl IRS	450	350	78y	74–82
PermaNet 3.0 + P-methyl IRS	223	122	55z	48–61

Results are presented separately for the trials involving Olyset Plus (Trial 1) and PermaNet 3.0 (Trial 2).

*For each trial, values on this column sharing a superscript letter do not differ significantly, p > 0.05, logistic regression.