Table 1.

Malariometric indexes in the participating Fulani and Dogon communities in Mali

	Dogon	Fulani	P valuea
Age-range (years)	1–58	1–60
Age-median (years)	16	14.5
Gender distribution (% women)	48	49
Spleen rateb (%)	11	37	< 0.0001
Parasite prevalencec (%)	58	43	0.008
Number of clonesd ± SD	5.63 ± 2.85	4.52 ± 2.7	0.02
Parasite densitye ± SD	662 ± 3206	716 ± 2844	ns
Haemoglobin levels (mean ± SD)	13.1 ± 2.4	10.6 ± 2.5	< 0.0001
HbAS prevalence (%)	7.2	7.9	ns
Number of subjects	164	164

^a Differences between the two ethnic groups tested by Mann-Whitney U test

^b Percentage of individuals with enlarged spleen

^c Proportion of infected individuals, measured by PCR

^d Mean number of clones identified as msp2 alleles, excluding PCR negatives

^e P. falciparum density (parasites/μl)-mean.