Table 4

 Two definitions for the same term from the Australian Council for Safety and Quality in Health Care* leading to different scenario assignments

Bold text  =  keywords within the definition upon which the scenario assignment decisions were made.
*Definition 1 in each case is from the First National Report on Patient Safety (2001) and definition 2 is from the Second National Report on Patient Safety: Improving Medication Safety (2002).
“Side effect” (1):×××
An effect, other than that intended, produced by an agent in absence of error.
“Side effect” (2):××
Any unintended effect of a medicine occurring at doses normally used in people which is related to the pharmacological properties of the drug.
“Error” (1):××
Failure to complete an action as intended, or the wrong use of a wrong plan to achieve an aim. Error may occur by doing the wrong thing (commission) or by failing to do the right thing (omission).
“Error” (2):×
Failure in the (drug) treatment process that leads to, or has the potential to lead to, harm to the patient and includes an act of omission or commission.