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Figure 4 | Malaria Journal

Figure 4

From: Defining the relationship between Plasmodium falciparum parasite rate and clinical disease: statistical models for disease burden estimation

Figure 4

Possible shapes for the relationship between parasite rate and expected incidence. The relationship between expected incidence per 1000 individuals per annum (p.a.) and prevalence was constrained to be concave down at a parasite rate of 1 and to have at most one inflection point. The curves in the left-hand panel are examples of allowable relationships by these criteria, and the curves in the right-hand panel are examples of relationships that are not allowed.

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