Skip to main content

Table 1 Demographics and parasitaemia of the plasma samples

From: Circulating antibodies against Plasmodium falciparum histidine-rich proteins 2 interfere with antigen detection by rapid diagnostic tests

Sample type Country n Age Parasitemia
Median (Range) Geometric mean (Range)
Acute patients (symptomatic & microscopy + ve) Cambodia 15 21 (8–51) 20,940 (2,005-195,665)
Nigeria 23 23 (9–37) 18,528 (5,118-142,696)
Philippines 37 19 (4–71) 1,767 (30–79,821)
Asymptomatic (microscopy + ve or –ve) Solomon Islands 28 *29 (13–66) 11 were microscopy positive for P. falciparum with low densities
Uninfected endemic controls Nigeria 10 Unknown   N/A
Philippines 8 28 (7–76) N/A
Non-exposed control Brisbane 6 Unknown   N/A
  1. *Calculated based on information available from 17 subjects. An additional five subjects were adults, and six subjects had unknown age.