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).

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

*Density ratios for Indoor Resting Density (IRD) and infective bites. Odd ratios for Sporozoite Rates (SR).

Protopopoff et al. Malaria Journal 2007 6:158   doi:10.1186/1475-2875-6-158