Eric J. Thomas, MD, MPH
Division of General Medicine
University of Texas-Houston Medical Center
Houston, TX 77030
Jane L. Holl, MD, MPH
Department of Pediatrics
Institute for Healthcare Studies
Feinberg School of Medicine
Northwestern University
Chicago, IL 60611
Department of Pediatrics
Children's Memorial Hospital
Chicago, IL 60614-3394
Stuart Altman, PhD
Heller School for Social Policy and Management
Brandeis University
Waltham, MA 02454-9110
Troyen Brennan, MD, MPH
Harvard School of Public Health
Harvard Medical School
Brigham and Women's Hospital
Boston, MA 02115
We thank Taylor and Miller for clarifying the type of code used in the article by Slonim et al,1 which we discussed in our article.2 Discussion of the work by Slonim et al was included in our article to compare and contrast our findings (based on pediatric data from the Colorado and Utah Medical Practice Study, which identified adverse events through medical-chart reviews) with the findings of Slonim et al (in which International Classification of Diseases, Ninth Revision codes indicating a "hospital-reported medical error" were applied to 5 years of Healthcare Cost and Utilization Project administrative data). We found that 1% of hospitalized children experienced an adverse event. Slonim et al found a higher overall rate of reported errors in hospitalized children that ranged from 1.81 to 2.63 per 100 discharges across the 5 years. We suggest that the differences in rates may be related to differences in measures and definitions. However, both studies found similar rates of medication-related events. Although these 2 studies used very different methods, they both sought answers to similar questions about the epidemiology of problems in children's medical care. Reporting and comparing these findings hopefully will provide some needed insight that could direct priorities for efforts to improve the safety of children's medical care.
REFERENCES
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