Baseline characteristics, by Giardia intestinalis infection status at baseline.

sTfR: soluble transferrin receptor. Values indicate mean ± SD unless indicated otherwise. For 54 children, infection status for Giardia intestinalis was unknown because fresh stool samples could not be obtained.1As determined by pLDH test; children with a positive test result were treated with artemether-lumefantrin, regardless of the presence or absence of malaria symptoms (see text);2Inflammation: whole blood C-reactive protein concentration >8 mg/L;3Anemia: hemoglobin concentration 4Iron deficiency: plasma ferritin concentration 5Geometric mean (95% confidence interval).