Fig. 3From: Detecting asymptomatic carriage of Plasmodium falciparum in southern Ghana: utility of molecular and serological diagnostic toolsParasite density determined by different tools. The median (IQR) parasite density of samples that tested positive for P. falciparum by microscopy (a), the median (IQR) HRP2 antigen content of the samples estimated using the HRP2 bead assay (b) and PET-PCR (c) from each site. Significant differences were observed in values obtained using microscopy (a) and the bead assay (b) but not by PET-PCR (c) when samples from Obom were compared to those from AsutusareBack to article page