ABSTRACT
Type 1 diabetes occurs in both sexes, but a slight male excess has been found in some populations.1 Incidence data are available for children up to 14 years o f age in 50 countries o f the five continents and show a striking variation among populations and within the population o f the same country. The age-adjusted incidence rates range from 0.1/100,000 per year in China and Venezuela to —37/100,000 per year in Sardinia and Finland.1
