The incidence rate is the number of new cases per population in a given time period.

The incidence rate is around 0.017% for individuals over 50 years of age.

All other states had an incidence rate of 1 case per ten million people or less.

Some regions of the world have higher incidence rates than others.

There are high incidence rates in many other world regions.

These expected numbers were used to weight the observed incidence rates.

The incidence rate is the percentage of people who actually respond to a survey.

Higher incidence rates are generally observed in northern European countries.

Where the mother is over 45, the incidence rate is one in 60.

According to another study done six years later, the incidence rate could vary from 0.07 to 0.7 per 10,000 births.