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Table 2 Error types found in the different stages of the medication process

From: Medication errors related to transdermal opioid patches: lessons from a regional incident reporting system

Error type Prescribing Dispensing Administration Unknown Total (%)
Wrong time 0 1 66   67(44)
Wrong dose 4 4 25 1 34(23)
Omission of dose 0 2 18   20(13)
Wrong transcription 9 0 0   9(6)
Unclassifiable* 0 0 0 6 6(4)
Omission of a drug prescription 5 0 0   5(3)
Lack of documentation of the drug administration 0 0 2   2(1)
Wrong dosing interval 0 0 2   2(1)
Wrong technique 0 0 3   3(2)
Ambiguous drug prescription 1 0 0   1(1)
Lack of control of agreement between administered drug and prescribed drug 0 0 1   1(1)
Wrong route of administration 0 0 1   1(1)
SUM (%) 19(112) 7(5) 8(78) 7(5) 151 (100)
  1. *MEs with no suitable error type Data didn’t provide enough information to determine in what stage in the medication process the ME occurred.