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J Eval Clin Pract. 2013 Oct;19(5):875-81. doi: 10.1111/j.1365-2753.2012.01867.x. Epub 2012 Jun 12.

Hospital patients' reports of medical errors and undesirable events in their health care.

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Research Associate Senior Lecturer Emeritus Professor Clinical Research Fellow Professor of Patient Safety, Imperial College London, Clinical Safety Research Unit, Department of Bio-Surgery and Surgical Technology, St. Mary's Hospital, London, UK.



To investigate hospital patients' reports of undesirable events in their health care.


Cross-sectional mixed methods design.


A total of 80 medical and surgical patients (mean age 58, 56 male).


Patients were interviewed post-discharge using a survey to assess patient reports of errors or problems in their care. Patients' medical records and notes were also reviewed.


Frequency of health care process problems, medical complications and interpersonal problems, and patient willingness to report an undesirable event in their care.


In total, 258 undesirable events were reported (rate of 3.2 per person), including 136 interpersonal problems, 90 medical complications and 32 health care process problems. Patients identified a number of events that were reported in the medical records (30 out of 36). In addition, patients reported events that were not recorded in the medical records. Patients were more willing (P < 0.05) to report undesirable events to a researcher (as in the present case) than to a local or national reporting system.


Patients appear able to report undesirable events that occur in their health care management over and above those that are recorded in their medical records. However, patients appear more willing to report these incidents for the purpose of a study rather than to an established incident reporting system. Interventions aimed at educating and encouraging patients about incident reporting systems need to be developed in order to enhance this important contribution patients could make to improving patient safety.


incident reporting; medical error; patient participation; undesirable event

[Indexed for MEDLINE]

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