Table 3.

Research Staff Coding of 54 Patient Reports of Medical Errors Using the ASIPS DMO Taxonomy*

CharacteristicNo. (%)
Participants involved in mistake
    Physicians36 (62)
    Nonphysician providers and nurses23 (40)
    Third party23 (40)
Mistake settings
    Hospitals19 (33)
    Ambulatory offices12 (21)
    Emergency departments8 (14)
    Outpatient diagnostic facilities6 (10)
    Pharmacies6 (10)
    Laboratories2 (3)
Type of mistake
    Clinical event36 (62)
    Communication errors23 (40)
    Medication errors23 (40)
Cause of mistake
    Clinical knowledge or skill7 (12)
    Errors in judgment6 (10)
    Distraction or inattention6 (10)
    System malfunction, system not present3 (5)
    Resource not available2 (3)
    Failure in information retrieval1 (2)
    Could not determine35 (60)
Outcome interventions
    No intervention needed8 (14)
    Repeated procedures14 (24)
    Medication modification6 (10)
    Could not determine20 (35)
Types of outcomes from mistake
    No change in health status of patient24 (41)
    Temporary impairment9 (16)
    Permanent impairment4 (7)
    Personal inconvenience9 (16)
    Discomfort27 (47)
    New diagnosis resulting from mistake4 (7)
    Death4 (7)
    Could not determine1 (2)
  • * For any axis, more than 1 code can be assigned.