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Table 1 Malariometric indexes in the participating Fulani and Dogon communities in Mali

From: Differences in Fcgamma receptor IIa genotypes and IgG subclass pattern of anti-malarial antibodies between sympatric ethnic groups 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  
  1. a Differences between the two ethnic groups tested by Mann-Whitney U test
  2. b Percentage of individuals with enlarged spleen
  3. c Proportion of infected individuals, measured by PCR
  4. d Mean number of clones identified as msp2 alleles, excluding PCR negatives
  5. e P. falciparum density (parasites/μl)-mean.
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