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Estimated probability of mortality, by platelet count. Figures were generated by multiple fractional polynomial regression analyses (with adjustment for age, sex, ethnic group, and year), according to infecting Plasmodium species, as follows: 0 Plasmodium species (negative test results; A), P. falciparum (B), P. vivax (C), and >1 Plasmodium species (mixed infection; D). Abbreviation: CI, confidence interval.
