https://www.who.int/news-room/fact-sheets/detail/patient-safety a couple of nuggets "Health care-associated infections occur in 7 and 10 out of every 100 hospitalized patients in high-income countries and low- and middle-income countries respectively" "Unsafe surgical care procedures cause complications in up to 25% of patients. Almost 7 million surgical patients suffer significant complications annually, 1 million of whom die during or immediately following surgery " "adverse events due to unsafe care is likely one of the 10 leading causes of death and disability in the world"