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Medication prescribing errors in a teaching hospital.

T S Lesar¹, L L Briceland, K Delcoure

¹Department of Pharmacy, Albany Medical Center Hospital, NY 12208.

|May 2, 1990

Summary

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Physician prescribing errors pose a significant risk to patient safety. This study found 3.13 errors per 1000 medication orders, with higher rates during specific times and among junior residents.

Area of Science:

Medical Safety
Pharmacology
Health Services Research

Background:

Medication prescribing errors are a critical issue in healthcare settings.
Identifying and mitigating these errors is essential for patient safety.

Purpose of the Study:

To quantify the incidence and characteristics of physician prescribing errors.
To identify specific times, prescriber groups, and hospital services associated with higher error rates.

Main Methods:

Retrospective analysis of medication orders in a tertiary-care teaching hospital over one year.
Detection and classification of prescribing errors based on potential for adverse consequences.

Main Results:

A total of 905 prescribing errors were detected out of 289,411 medication orders.

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The overall detected error rate was 3.13 per 1000 orders, with 1.81 significant errors per 1000 orders.

Higher error rates were observed during afternoon hours (12 pm - 3:59 pm), among first-year residents, and in obstetrics/gynecology and surgery/anesthesia services.

Conclusions:

Medication prescribing errors represent a substantial risk to patients.
Targeted educational, operational, and risk-management interventions are needed to reduce these errors.