‘Nonmodifiable’ risk factors for stroke: age, race, sex, and geography

This increases to 12.8 per 1000 between the ages of 45 and 64, to 40.2 per 1000 between the ages of 65 and 74, and to 99.4 per 1000 over the age of 755. There is, therefore, a clear pattern of increasing stroke mortality, incidence and prevalence with increasing age.