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Table 6 Malariometric indexes separated by FcγRIIa R131H genotypes in the Fulani and Dogon ethnic groups.

From: Differences in Fcgamma receptor IIa genotypes and IgG subclass pattern of anti-malarial antibodies between sympatric ethnic groups in Mali

  Dogon Fulani
  HH HR RR p-value a 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
  1. a Differences between the three different genotypes.
  2. b Percentage of individuals with enlarged spleen
  3. c Proportion of infected individuals, measured by PCR
  4. d P. falciparum density (parasites/μl)-mean
  5. e Mean number of clones identified as msp2 alleles, excluding PCR negatives
  6. f Frequency of HbAS carriers detected by PCR.