Figure 4From: Effect of α+-thalassaemia on episodes of fever due to malaria and other causes: a community-based cohort study in TanzaniaAssociation between α+-thalassaemia and parasite density during first episode of malaria, by age class. Markers and line bars indicate geometric means and 95% CIs, respectively; p-values for differences between genotypes within age classes obtained by ANOVA).Back to article page