There is little if any evidence that the frequency of sentinel events reflects the overall quality of care provided by a hospital.
Complex systems, from TV shows to hospitals, have plenty of checks and procedures, so why do things still go wrong?
A recent study suggesting that medical error is the third leading cause of death in the U.S. made headlines. But the methods researchers used to draw this conclusion are flawed.
In Australia, estimates suggest undesired harmful effects from medication or other intervention such as surgery occur in around 17% of hospital admissions. But blaming the doctors won't help.