Fig. 6.

Quality improvement in critical congenital heart disease percent incorrect documentation. This control chart displays the average percentage of patients who had documentation errors related to CCHD screening. The percent with incorrect documentation is displayed over the period from July 2015 to December 2018. The results included a centerline shift using Nelson’s rules with 9 points below the centerline beginning in July 2016. This shift, from 23.5% to 1.2%, is significant and sustained over 2 years and represents a 95% decrease.