Table 4. Number of medication errors and adverse drug event (ADE) rates at Brigham and Women's Hospital before and after introduction of a computer-based physician order entry
Reducing and Preventing Adverse Drug Events To Decrease Hospital Costs
Medication errors (other than missed dose errors)
Non-intercepted potential ADEs
(a) Seventy-seven dose errors in period 1 and 101 in period 2 were due to potassium chloride errors; none of 40 dose errors in period 3 were due to potassium chloride error. After revising potassium chloride ordering screens, these errors were eliminated.
Source: Bates DW, Teich JM, Lee J, et al. The impact of computerized physician order entry on medication error prevention. J Am Inform Assoc 1999;6(4):313-21.