Fig. 1

Scatter plots of the log10 (incidence) versus the log10 (age) for each ND. A Male. B Female. The color of the density plot is proportional to the frequency of the data points
Scatter plots of the log10 (incidence) versus the log10 (age) for each ND. A Male. B Female. The color of the density plot is proportional to the frequency of the data points