Table 6.

Malariometric indexes separated by FcγRIIa R131H genotypes in the Fulani and Dogon ethnic groups.

	Dogon				Fulani
	HH	HR	RR	p-valuea	HH	HR	RR	p-value a
Age (mean ± sd)	15 ± 12	16 ± 13	20 ± 13		15 ± 13	23 ± 18	20 ± 17
Spleen rate b (%)	8	13	11	0.8	38	36	36	0.9
Hb (mean ± sd)	13 ± 2	12.6 ± 2.4	13.3 ± 2.6	0.4	11 ± 2	10.6 ± 2.7	10.8 ± 2.3	0.9
Parasite prevalence c (%)	67	58	60	0.7	49	33	59	0.02
Parasite density d (mean ± sd)	907 ± 4138	546 ± 1803	243 ± 843	0.5	330 ± 1138	530 ± 2155	1533 ± 4734	0.2
Clones e (mean ± sd)	4.0 ± 3.7	2.9 ± 3.3	3.6 ± 3.7	0.4	1.9 ± 2.6	1.3 ± 2.5	3.3 ± 3.5	0.006
HbAS f (%)	0	10	6	0.2	6	3	18	0.01

^a Differences between the three different genotypes.

^b Percentage of individuals with enlarged spleen

^c Proportion of infected individuals, measured by PCR

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

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

^f Frequency of HbAS carriers detected by PCR.