Table 2

Statistical tests of differences in allele and haplotype frequencies

Likelihood ratio tests of differences in haplotype frequencies

Source of variation

Site

Locus

overall

pfcrt

pfmdr1

pfdhfr

pfdhps

Difference between health centre

Karimui

test statistic

0.004

6.9

0.0

6.3

0.7

and community samples

d.f.

n.a.

7

7

3

3

P-value

0.3

0.4

1.0

0.1

0.9

South Wosera

test statistic

0.011

30.1

2.3

14.3

14.6

d.f.

n.a.

7

3

3

3

P-value

0.02

<0.01

0.5

0.002

0.002

Difference between years

Karimui

test statistic

0.035

44.4

2.5

47.8

21.5

(community samples)

d.f.

n.a.

14

14

6

6

P-value

<0.01

<0.01

1.0

<0.01

0.002

South Wosera

test statistic

0.011

44.8

14.6

16.4

12

d.f.

n.a.

7

3

3

3

P-value

0.01

<0.01

0.002

0.001

0.007

d.f., degrees of freedom; n.a., not applicable

Marfurt et al. Malaria Journal 2010 9:8   doi:10.1186/1475-2875-9-8