Adverse events in medicine: easy to count, complicated to understand, and complex to prevent.
Amalberti R, Benhamou D, Auroy Y, et al. Adverse events in medicine: easy to count, complicated to understand, and complex to prevent. J Biomed Inform. 2011;44(3):390-4. doi:10.1016/j.jbi.2009.06.004.
This article outlines how classifying complexity levels of adverse events may inform more effective information technology approaches to safety improvement.