Figure 4

Scatter plot showing the median and interquartile C3a levels in children with severe malaria anaemia (cases) and those with uncomplicated malaria (controls). The median values were significantly higher in the controls (3,500 ng/ml, 3,100–4,200) compared to the cases (3,200 ng/mL, 2,800–3,700) P = 0.02). Wilcoxon matched-pairs signed-ranks test was performed with the 43 paired samples.