Geometric mean difference in ferritin among pregnant women infected with malaria compared to pregnant women without malaria.

<p>Footnote: CI: confidence interval. SD: standard deviation. *Van Santen 2011 and Massawe 2002: study population primigravidae. Abrams 2005 and Ouedraogo 2012: study population HIV(-) women. The weight for each study is indicated as a grey block around the risk estimate. For Dreyfuss 2000, the malaria parasitemia was limited to <i>P. Vivax</i> in Asia. All other studies were conducted in Africa where <i>P. falciparum</i> is the predominant species.