Time-course of percentage decrease (A) and of deficit in haematocrit (B) from baseline in all children (black line) and in those treated with artesunate-amodiaquine (green line), artemether-lumefantrine (red line) or dihydroartemisinin-piperaquine (blue line). Values are means and standard errors of mean; measures of dispersion have been included only in black plots for clarity.