Table 3 Space-time scan statistics of the most likely cluster of P. falciparum and P. vivax malaria episodes

Time period (initial - final)

14/09/08–29/11/08

11/10/09–14/11/09

17/08/08–29/11/08

15/11/09–13/02/10

Coordinates (N, E)

7.6806N, 37.2524E

7.7391N, 37.3161E

7.7002N, 37.3172E

7.7243N, 37.2763E

Radius (km)

6.83

4.09

5.22

2.19

Households (%)

12.6% (145/1148)

16.2% (186/1148)

16.9% (194/1148)

4.9% (56/1148)

Population (%)

14.4% (295/2040)

14.5% (297/2040)

14.8% (302/2040)

5.11% (104/2040)

Cases

9.3% (34/363)

15.2% (49/322)

15.9% (47/296)

12.3% (11/89)

LLR

20.97

73.70

29.57

15.09

Relative risk

4.03

11.90

4.22

10.24

P-value

< 0.001

< 0.001

< 0.001

0.012