Figure 3

Yearly incidence by age in months according to 4 different definitions of malaria in two cohorts of 537 children total. Any fever (green); fever and confirmed microscopy with greater than 100 parasites/microliter (blue); documented fever and greater than 1,000 parasites or any fever and greater than 3,000 parasites or greater than 8,000 parasites (orange); and any fever and parasites greater than 5,000/microliter (brown). A) Estimate per month of age; B) Smoothing by lowess regression. The 95% confidence level was within +/- 40% of the value plotted.