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Table 5 Comparison of entomological outcomes (indoor resting densities, sporozoite rates and infective bites) between valleys and hill tops of control areas (survey 2 to 9 pooled together).

From: Spatial targeted vector control in the highlands of Burundi and its impact on malaria transmission

  Valleys Hill tops Ratio* (95% CI) P value
IRD total Anopheles/house 5.2 1.7 3.1 (1.9–5.2) <0.001
SR total Anopheles (No. tested) 2.4% (6235) 1.2% (1898) 2.0 (1.1–3.7) 0.029
IRD fed Anopheles/house 1.3 0.5 2.5 (1.3–4.6) 0.005
SR fed Anopheles (No. tested) 2.0% (1812) 0.8% (714) 2.4 (0.9–6.1) 0.067
Infective bites/house/month 0.7 0.1 6.0 (2.2–16.8) <0.001
  1. *Density ratios for Indoor Resting Density (IRD) and infective bites. Odd ratios for Sporozoite Rates (SR).