To what extent are children harmed by medications in pediatric intensive care units?

In an observational study conducted across three pediatric intensive care units (PICUs) in England over a three-month period in 2019, one-sixth of patients experienced at least one adverse drug event, in which they were harmed by a medication. 

source https://medicalxpress.com/news/2021-12-extent-children-medications-pediatric-intensive.html