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Table 6 Blood-feeding rate observed per treatment from month 2 to 8 after treatment with laboratory susceptible Anopheles populations released in the huts

From: Efficacy of a novel mode of action of an indoor residual spraying product, SumiShield® 50WG against susceptible and resistant populations of Anopheles gambiae (s.l.) in Benin, West Africa

Treatment Month Total number Proportion 95% CI P-valuea
Control 1 2 30 100 92.3–100
3 27 51.85 33.99–69.26
4 26 65.38 47.10–83.67
5 13 69.23 44.14–94.32
6 32 96.88 0.85–98.33
8 31 90.32 75.10–96.65
Control 2 2 32 75.00 53.78–96.22 0.04
3 44 88.64 79.26–98.01 < 0.0001
4 30 63.33 46.09–80.58 0.87
5 25 92.00 75.03–97.78 0.07
6 49 97.96 89.31–99.64 0.76
8 26 57.69 38.70–76.68 < 0.0001
SumiShield 1 2 56 80.36 69.95–90.76 0.06
3 25 64.00 45.18–82.82 0.38
4 35 48.57 32.01–65.13 0.19
5 17 82.35 64.23–99.20 0.4
6 27 88.89 77.03–96.30 0.22
8 14 42.86 16.93–68.78 < 0.0001
SumiShield 2 2 27 51.85 33.99–69.26 < 0.0001
3 12 33.33 6.66–60.01 0.28
4 49 30.61 17.71–43.52 < 0.0001
5 24 70.83 52.65–89.02 0.92
6 38 68.42 53.64–83.20 < 0.0001
8 22 90.91 72.19–97.47 0.94
Deltamethrin 1 2 47 19.15 7.90–30.40 < 0.0001
3 40 57.50 42.18–72.82 0.65
4 32 53.13 35.83–70.42 0.35
5 17 64.71 41.99–87.42 0.79
6 13 38.46 12.01–64.91 < 0.0001
8 25 48.00 28.42–67.58 < 0.0001
Deltamethrin 2 2 21 9.52 3.03–22.08 < 0.0001
3 18 16.67 0.55–33.88 0.02
4 42 30.95 16.97–44.93 0.01
5 19 15.79 0.61–32.19 < 0.0001
6 32 100 97.12–100 0.31
8 22 9.09 1.53–21.10 < 0.0001
  1. Abbreviation: CI confidence interval
  2. a5% significance threshold