Fig. 2From: Comparative efficacy of two pyrethroid-piperonyl butoxide nets (Olyset Plus and PermaNet 3.0) against pyrethroid resistant malaria vectors: a non-inferiority assessmentBlood-feeding rates of wild pyrethroid-resistant Anopheles gambiae s.l. in experimental huts in Cove, Benin evaluating different net types. Vertical lines indicate 95% confidence interval estimates whilst bars with the same letter label are not significantly different (P > 0.05)Back to article page