Home - Patient Safety

Medication Error Reporting

International Journal for Quality in Health Care, 2015 Feb;27(1):1-9

"What are incident reports telling us? A comparative study at two Australian hospitals of medication errors identified at audit, detected by staff and reported to an incident system."

The study found no relationship between the number of reported medication incidents and the observed rate of prescribing and medication administration incidents.

Transparency from this Environment?

Staff detected 21.9% of clinically important errors, but only1.3% were reported to the hospitals' incident systems. The remaining 78.1% failed to be detected. It is possible that they detected some of them, they did not make a record of them.

No relationship between incidents reported and incidents that occurred(Much of what is below came froman article in Medical Xpress called "Medication error reporting not indicative of patient safety.")

Led by Professor Johanna Westbrook of Macquarie University's Australian Institute of Health Innovation, researchers studied medication errors occurring at two large Sydney teaching hospitals by reviewing patient records and observing nurses administering drugs to patients to find out how many and what kinds of errors were being made, if staff detected these errors, and then if errors were reported to the hospitals' incident reporting systems. They also assessed how the two hospitals differed in terms of the medication error rates observed versus the errors actually reported by staff.

"The hospital with the higher number of incident reports had lower 'actual' prescribing errors and vice versa. Thus in this instance the higher number of medication incidents reported reflected a lower patient risk," said Professor Westbrook. "This means using the frequency of medication incident reports of errors to compare patient risk or performance quality within or between hospitals is unreliable. New approaches including data mining of electronic clinical information systems, patient outcomes and similar information are required to collect the data necessary for patients to protect themselves when health care professionals remain unaware of the problems because no one reports them.

Widespread Indifference to Safety Numbers

Many hospitals rely on incident reporting as their key quality and safety measure, despite widespread acknowledgement that many errors go unreported. Medication errors are among the most frequent adverse events in hospitals, as well as the most dangerous.

Prescribing Errors

The researchers reviewed 3291 patient records to identify prescribing errors (e.g. wrong drug, dose or strength) and evidence of their detection by staff. Errors during the administration of medications to patients were identified from a direct observational study of 180 nurses administering 7451 medications to 1397 patients across the two hospitals. Severity of errors was classified, and those likely to lead to patient harm were categorized as 'clinically important'.

Of the 12,567 prescribing errors identified, 539 or 4.3% were clinically important. There was evidence that staff had detected 21.9% (118) of these clinically important errors, but very few (7, 1.3%) were reported to the hospitals' incident systems. The remaining 78.1% (n=421) failed to be detected, although it is possible that staff detected some of these errors but no information to this effect was recorded in patients' records.

Medication Administration Errors

Of the medication administration errors, most (79%) were procedural (e.g. failing to check a patient's identification before administering a drug). One or more clinical errors (e.g. wrong dose) occurred in 27.4% of drug administrations, and in 10.2% the errors were rated as clinically important, meaning they could have caused harm. Regardless, not one of the medication administration errors were reported to the incident systems.

When human beings cause problems, they do not turn themselves in. If this information ever is going to become part of the knowledge base necessary for patients to make informed decisions, this information will have to be collected by someone other than the health care professionals who cause the problems.