- According to the OI Foundation, OI does not affect so many people. It is rare. In fact, less than 200,000 people throughout the world have OI.
- Males and females can both have OI.
- People from any racial group can have OI.
- In the United States, about 25,000-50,000 people have OI.
- There is evidence that people from a long time ago had OI.
- Type I OI is the most common type and has the smallest amount of pain or breaks.
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