Of overall computer entry errors, 56% are caused by distractions, according to a U.S. Pharmacopoeia 2003 MEDMARX study. In addition, distractions were cited in 78% of computerized physician order entry (CPOE) errors in reports "that documented a contributing factor other than 'none,'" said John Santell, director of educational program initiatives for the U.S. Pharmacopoeia in Rockville, Md.