Ashbaugh D G, McKean R S
JAMA. 1976 Sep 27;236(13):1485-8. doi: 10.1001/jama.236.13.1485.
In 55 audits of 37 topics totaling 5,499 patient records, 94% of deficiencies were in the area of performance, while only 6% occurred in the area of lack of knowledge. In addition to defining problems, audit serves as an educational experience and a stimulus to improve practice.