- 25-35% of all hospital admissions are involved in an adverse event
- Incident reports capture only about 15% of all recorded adverse events
- Medication errors and adverse drug reactions account for only 20-25% of all adverse events
- Adverse events occur across the care continuum
- 70% of adverse events are caused by systemic problems, not negligence
- 80% of adverse events are preventable
- Adverse events account for 10-15% of a typical hospital's operating budget




