Of 4,479 patients treated for injuries in a hospital, the highest freq
uency of bicycle accidents (23%) was observed in the age group for 20-
29-yr.-olds. The main category (68.8%) were accidents without collison
with other traffic. The highest mortality rates were found for childr
en below 16 years of age and in elderly > 70 years old in the category
of collision with a motor vehicle.