A pre- and post-implementation comparison showed that CPOE use reduced potential errors.

Source: Computerized prescriber order entry and opportunities for medication errors: comparison to tradition paper-based order entry. Jozefczyk KG, Kennedy WK, Lin MJ, Achatz J, Glass MD, Eidam WS, Melroy MJ. J Pharm Pract. 2013 Mar 5; [Epub ahead of print]. [go to Pubmed]