Efficacy of Ibuprofen versus Acetaminophen for Acute Fever in Febrile Children
link.springer.com
link.springer.com
In UK, if you go to the doctor they will recommend acetaminophen/calpol first because ibuprofen anti-inflammatory effect will affect the body's natural response to the "problem" or something like that
Paracetamol is not a blood thinner. There are not many OTC painkillers that are not blood thinners.
It would have been surprising to obtain a different result in children.