Meaning of "Incidence not known " followed by a long list of side effects?
Meaning of "Incidence not known" for side effects?
Question posted by Riquin on 14 Dec 2013
Last updated on 12 June 2021 by roberttan
“Incidence not known” means the side effects under this category happened but they were not counted.
They know it happened but they didn't keep count. These are usually the ones where a few people have reported it, but nothing was found in controlled studies.
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