By the Numbers
The picture below shows the approximate number of babies born in Ontario each year who have a "positive" result from their blood spot screening and the number of these babies who end up being diagnosed with one of the diseases screened.
Additionally, about 300 babies will screen positive for Critical Congenital Heart Disease (CCHD) and about 50-100 will end up being diagnosed with CCHD.
babies born in Ontario each year
babies screen negative
babies screen positive
babies are true positives
(have one of the diseases)