(A) Estimated annual rates of hospitalization for serious injury (ISS at least 9 after excluding isolated hip fractures) per 100 000 population in younger age groups, 1979–2000. (A) Estimated annual rates of hospitalization for serious injury (ISS at least 9 after excluding isolated hip fractures) per 100 000 population in younger age groups, 1979–2000. (B) Estimated annual rates of hospitalization for serious injury (ISS at least 9 after excluding isolated hip fractures) per 100 000 population in older age groups, 1979–2000. Male groups shown with solid lines and female groups shown with dashed lines. T Shinoda-Tagawa, and D E Clark Inj Prev 2003;9:214-219 ©2003 by BMJ Publishing Group Ltd